Home / 13,358,623.20-20,038,590.90-6,981,331.20

Finding the Fourth Proportional to 13,358,623.20, 20,038,590.90 and 6,981,331.20

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Solution

The fourth proportional to 13,358,623.20, 20,038,590.90 and 6,981,331.20 is: 10,472,339.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,358,623.20 : 20,038,590.90 = 6,981,331.20 : x
  2. Step 2: Convert to fraction form
    13,358,623.20/20,038,590.90 = 6,981,331.20/x
  3. Step 3: Cross multiply
    13,358,623.20x = 20,038,590.90 × 6,981,331.20
  4. Step 4: Simplify right side
    13,358,623.20x = 139,896,039,854,206.08
  5. Step 5: Solve for x
    x = 139,896,039,854,206.08/13,358,623.20
  6. Step 6: Final answer
    x = 10,472,339.68

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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.