Home / 28,294,049.64-42,441,068.98-12,109,506.06

Finding the Fourth Proportional to 28,294,049.64, 42,441,068.98 and 12,109,506.06

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Solution

The fourth proportional to 28,294,049.64, 42,441,068.98 and 12,109,506.06 is: 18,164,256.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,294,049.64 : 42,441,068.98 = 12,109,506.06 : x
  2. Step 2: Convert to fraction form
    28,294,049.64/42,441,068.98 = 12,109,506.06/x
  3. Step 3: Cross multiply
    28,294,049.64x = 42,441,068.98 × 12,109,506.06
  4. Step 4: Simplify right side
    28,294,049.64x = 513,940,382,006,188
  5. Step 5: Solve for x
    x = 513,940,382,006,188/28,294,049.64
  6. Step 6: Final answer
    x = 18,164,256.74

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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.