Home / 10,867,127.40-16,300,691.10-10,045,981.80

Finding the Fourth Proportional to 10,867,127.40, 16,300,691.10 and 10,045,981.80

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Solution

The fourth proportional to 10,867,127.40, 16,300,691.10 and 10,045,981.80 is: 15,068,972.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,867,127.40 : 16,300,691.10 = 10,045,981.80 : x
  2. Step 2: Convert to fraction form
    10,867,127.40/16,300,691.10 = 10,045,981.80/x
  3. Step 3: Cross multiply
    10,867,127.40x = 16,300,691.10 × 10,045,981.80
  4. Step 4: Simplify right side
    10,867,127.40x = 163,756,446,118,022
  5. Step 5: Solve for x
    x = 163,756,446,118,022/10,867,127.40
  6. Step 6: Final answer
    x = 15,068,972.70

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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.