Home / 14,485,280.70-21,730,545.45-7,278,678.30

Finding the Fourth Proportional to 14,485,280.70, 21,730,545.45 and 7,278,678.30

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Solution

The fourth proportional to 14,485,280.70, 21,730,545.45 and 7,278,678.30 is: 10,919,336.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,485,280.70 : 21,730,545.45 = 7,278,678.30 : x
  2. Step 2: Convert to fraction form
    14,485,280.70/21,730,545.45 = 7,278,678.30/x
  3. Step 3: Cross multiply
    14,485,280.70x = 21,730,545.45 × 7,278,678.30
  4. Step 4: Simplify right side
    14,485,280.70x = 158,169,649,614,078.72
  5. Step 5: Solve for x
    x = 158,169,649,614,078.72/14,485,280.70
  6. Step 6: Final answer
    x = 10,919,336.18

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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.