Home / 12,592,842.30-18,875,266.65-5,403,152.70

Finding the Fourth Proportional to 12,592,842.30, 18,875,266.65 and 5,403,152.70

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Solution

The fourth proportional to 12,592,842.30, 18,875,266.65 and 5,403,152.70 is: 8,098,723.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,592,842.30 : 18,875,266.65 = 5,403,152.70 : x
  2. Step 2: Convert to fraction form
    12,592,842.30/18,875,266.65 = 5,403,152.70/x
  3. Step 3: Cross multiply
    12,592,842.30x = 18,875,266.65 × 5,403,152.70
  4. Step 4: Simplify right side
    12,592,842.30x = 101,985,947,963,167.45
  5. Step 5: Solve for x
    x = 101,985,947,963,167.45/12,592,842.30
  6. Step 6: Final answer
    x = 8,098,723.51

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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.