Home / 28,565,622.93-42,842,854.98-9,129,635.35

Finding the Fourth Proportional to 28,565,622.93, 42,842,854.98 and 9,129,635.35

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Solution

The fourth proportional to 28,565,622.93, 42,842,854.98 and 9,129,635.35 is: 13,692,669.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,565,622.93 : 42,842,854.98 = 9,129,635.35 : x
  2. Step 2: Convert to fraction form
    28,565,622.93/42,842,854.98 = 9,129,635.35/x
  3. Step 3: Cross multiply
    28,565,622.93x = 42,842,854.98 × 9,129,635.35
  4. Step 4: Simplify right side
    28,565,622.93x = 391,139,643,320,331.50
  5. Step 5: Solve for x
    x = 391,139,643,320,331.50/28,565,622.93
  6. Step 6: Final answer
    x = 13,692,669.83

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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.