Home / 19,881,444.60-29,822,166.90-16,690,174.20

Finding the Fourth Proportional to 19,881,444.60, 29,822,166.90 and 16,690,174.20

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Solution

The fourth proportional to 19,881,444.60, 29,822,166.90 and 16,690,174.20 is: 25,035,261.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,881,444.60 : 29,822,166.90 = 16,690,174.20 : x
  2. Step 2: Convert to fraction form
    19,881,444.60/29,822,166.90 = 16,690,174.20/x
  3. Step 3: Cross multiply
    19,881,444.60x = 29,822,166.90 × 16,690,174.20
  4. Step 4: Simplify right side
    19,881,444.60x = 497,737,160,582,473.94
  5. Step 5: Solve for x
    x = 497,737,160,582,473.94/19,881,444.60
  6. Step 6: Final answer
    x = 25,035,261.30

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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.