Home / 12,512,811.29-18,762,374.68-9,935,670.83

Finding the Fourth Proportional to 12,512,811.29, 18,762,374.68 and 9,935,670.83

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Solution

The fourth proportional to 12,512,811.29, 18,762,374.68 and 9,935,670.83 is: 14,898,073.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,512,811.29 : 18,762,374.68 = 9,935,670.83 : x
  2. Step 2: Convert to fraction form
    12,512,811.29/18,762,374.68 = 9,935,670.83/x
  3. Step 3: Cross multiply
    12,512,811.29x = 18,762,374.68 × 9,935,670.83
  4. Step 4: Simplify right side
    12,512,811.29x = 186,416,778,690,955.50
  5. Step 5: Solve for x
    x = 186,416,778,690,955.50/12,512,811.29
  6. Step 6: Final answer
    x = 14,898,073.22

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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.