Home / 28,231,966.80-42,347,950.20-16,866,565.20

Finding the Fourth Proportional to 28,231,966.80, 42,347,950.20 and 16,866,565.20

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Solution

The fourth proportional to 28,231,966.80, 42,347,950.20 and 16,866,565.20 is: 25,299,847.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,231,966.80 : 42,347,950.20 = 16,866,565.20 : x
  2. Step 2: Convert to fraction form
    28,231,966.80/42,347,950.20 = 16,866,565.20/x
  3. Step 3: Cross multiply
    28,231,966.80x = 42,347,950.20 × 16,866,565.20
  4. Step 4: Simplify right side
    28,231,966.80x = 714,264,463,134,653
  5. Step 5: Solve for x
    x = 714,264,463,134,653/28,231,966.80
  6. Step 6: Final answer
    x = 25,299,847.80

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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.