Home / 28,539,206.61-42,808,892.95-12,140,265.95

Finding the Fourth Proportional to 28,539,206.61, 42,808,892.95 and 12,140,265.95

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Solution

The fourth proportional to 28,539,206.61, 42,808,892.95 and 12,140,265.95 is: 18,210,434.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,539,206.61 : 42,808,892.95 = 12,140,265.95 : x
  2. Step 2: Convert to fraction form
    28,539,206.61/42,808,892.95 = 12,140,265.95/x
  3. Step 3: Cross multiply
    28,539,206.61x = 42,808,892.95 × 12,140,265.95
  4. Step 4: Simplify right side
    28,539,206.61x = 519,711,345,520,122.94
  5. Step 5: Solve for x
    x = 519,711,345,520,122.94/28,539,206.61
  6. Step 6: Final answer
    x = 18,210,434.25

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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.