Home / 8,045,377.80-12,068,066.70-4,644,155.40

Finding the Fourth Proportional to 8,045,377.80, 12,068,066.70 and 4,644,155.40

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Solution

The fourth proportional to 8,045,377.80, 12,068,066.70 and 4,644,155.40 is: 6,966,233.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,045,377.80 : 12,068,066.70 = 4,644,155.40 : x
  2. Step 2: Convert to fraction form
    8,045,377.80/12,068,066.70 = 4,644,155.40/x
  3. Step 3: Cross multiply
    8,045,377.80x = 12,068,066.70 × 4,644,155.40
  4. Step 4: Simplify right side
    8,045,377.80x = 56,045,977,132,365.18
  5. Step 5: Solve for x
    x = 56,045,977,132,365.18/8,045,377.80
  6. Step 6: Final answer
    x = 6,966,233.10

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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.