Home / 28,045,644.10-42,068,466.15-12,692,904.10

Finding the Fourth Proportional to 28,045,644.10, 42,068,466.15 and 12,692,904.10

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Solution

The fourth proportional to 28,045,644.10, 42,068,466.15 and 12,692,904.10 is: 19,039,356.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,045,644.10 : 42,068,466.15 = 12,692,904.10 : x
  2. Step 2: Convert to fraction form
    28,045,644.10/42,068,466.15 = 12,692,904.10/x
  3. Step 3: Cross multiply
    28,045,644.10x = 42,068,466.15 × 12,692,904.10
  4. Step 4: Simplify right side
    28,045,644.10x = 533,971,006,476,046.19
  5. Step 5: Solve for x
    x = 533,971,006,476,046.19/28,045,644.10
  6. Step 6: Final answer
    x = 19,039,356.15

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.