Home / 21,092,902.22-29,110,376.04-12,833,550.92

Finding the Fourth Proportional to 21,092,902.22, 29,110,376.04 and 12,833,550.92

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Solution

The fourth proportional to 21,092,902.22, 29,110,376.04 and 12,833,550.92 is: 17,711,621.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,092,902.22 : 29,110,376.04 = 12,833,550.92 : x
  2. Step 2: Convert to fraction form
    21,092,902.22/29,110,376.04 = 12,833,550.92/x
  3. Step 3: Cross multiply
    21,092,902.22x = 29,110,376.04 × 12,833,550.92
  4. Step 4: Simplify right side
    21,092,902.22x = 373,589,493,209,687.94
  5. Step 5: Solve for x
    x = 373,589,493,209,687.94/21,092,902.22
  6. Step 6: Final answer
    x = 17,711,621.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.