Home / 40,432,305.07-60,626,879.34-20,981,946.86

Finding the Fourth Proportional to 40,432,305.07, 60,626,879.34 and 20,981,946.86

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Solution

The fourth proportional to 40,432,305.07, 60,626,879.34 and 20,981,946.86 is: 31,461,722.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,432,305.07 : 60,626,879.34 = 20,981,946.86 : x
  2. Step 2: Convert to fraction form
    40,432,305.07/60,626,879.34 = 20,981,946.86/x
  3. Step 3: Cross multiply
    40,432,305.07x = 60,626,879.34 × 20,981,946.86
  4. Step 4: Simplify right side
    40,432,305.07x = 1,272,069,960,348,832.50
  5. Step 5: Solve for x
    x = 1,272,069,960,348,832.50/40,432,305.07
  6. Step 6: Final answer
    x = 31,461,722.46

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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.