Home / 15,205,006.96-20,983,431.66-8,329,487.20

Finding the Fourth Proportional to 15,205,006.96, 20,983,431.66 and 8,329,487.20

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Solution

The fourth proportional to 15,205,006.96, 20,983,431.66 and 8,329,487.20 is: 11,494,978.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,205,006.96 : 20,983,431.66 = 8,329,487.20 : x
  2. Step 2: Convert to fraction form
    15,205,006.96/20,983,431.66 = 8,329,487.20/x
  3. Step 3: Cross multiply
    15,205,006.96x = 20,983,431.66 × 8,329,487.20
  4. Step 4: Simplify right side
    15,205,006.96x = 174,781,225,424,044.75
  5. Step 5: Solve for x
    x = 174,781,225,424,044.75/15,205,006.96
  6. Step 6: Final answer
    x = 11,494,978.32

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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.