Home / 14,171,030.20-21,256,545.30-9,300,143.80

Finding the Fourth Proportional to 14,171,030.20, 21,256,545.30 and 9,300,143.80

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Solution

The fourth proportional to 14,171,030.20, 21,256,545.30 and 9,300,143.80 is: 13,950,215.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,171,030.20 : 21,256,545.30 = 9,300,143.80 : x
  2. Step 2: Convert to fraction form
    14,171,030.20/21,256,545.30 = 9,300,143.80/x
  3. Step 3: Cross multiply
    14,171,030.20x = 21,256,545.30 × 9,300,143.80
  4. Step 4: Simplify right side
    14,171,030.20x = 197,688,927,981,214.16
  5. Step 5: Solve for x
    x = 197,688,927,981,214.16/14,171,030.20
  6. Step 6: Final answer
    x = 13,950,215.70

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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.