Home / 8,904,961.71-12,288,851.42-5,037,400.71

Finding the Fourth Proportional to 8,904,961.71, 12,288,851.42 and 5,037,400.71

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Solution

The fourth proportional to 8,904,961.71, 12,288,851.42 and 5,037,400.71 is: 6,951,615.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,904,961.71 : 12,288,851.42 = 5,037,400.71 : x
  2. Step 2: Convert to fraction form
    8,904,961.71/12,288,851.42 = 5,037,400.71/x
  3. Step 3: Cross multiply
    8,904,961.71x = 12,288,851.42 × 5,037,400.71
  4. Step 4: Simplify right side
    8,904,961.71x = 61,903,868,843,005.50
  5. Step 5: Solve for x
    x = 61,903,868,843,005.50/8,904,961.71
  6. Step 6: Final answer
    x = 6,951,615.39

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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.