Home / 10,000,385.02-13,800,531.79-5,416,706.39

Finding the Fourth Proportional to 10,000,385.02, 13,800,531.79 and 5,416,706.39

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Solution

The fourth proportional to 10,000,385.02, 13,800,531.79 and 5,416,706.39 is: 7,475,055.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,000,385.02 : 13,800,531.79 = 5,416,706.39 : x
  2. Step 2: Convert to fraction form
    10,000,385.02/13,800,531.79 = 5,416,706.39/x
  3. Step 3: Cross multiply
    10,000,385.02x = 13,800,531.79 × 5,416,706.39
  4. Step 4: Simplify right side
    10,000,385.02x = 74,753,428,756,032.38
  5. Step 5: Solve for x
    x = 74,753,428,756,032.38/10,000,385.02
  6. Step 6: Final answer
    x = 7,475,055.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.