Home / 40,287,652.76-60,431,403.68-12,623,688.02

Finding the Fourth Proportional to 40,287,652.76, 60,431,403.68 and 12,623,688.02

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Solution

The fourth proportional to 40,287,652.76, 60,431,403.68 and 12,623,688.02 is: 18,935,508.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,287,652.76 : 60,431,403.68 = 12,623,688.02 : x
  2. Step 2: Convert to fraction form
    40,287,652.76/60,431,403.68 = 12,623,688.02/x
  3. Step 3: Cross multiply
    40,287,652.76x = 60,431,403.68 × 12,623,688.02
  4. Step 4: Simplify right side
    40,287,652.76x = 762,867,186,849,637.62
  5. Step 5: Solve for x
    x = 762,867,186,849,637.62/40,287,652.76
  6. Step 6: Final answer
    x = 18,935,508.39

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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.