Home / 21,955,109.76-32,926,260.18-7,380,381.87

Finding the Fourth Proportional to 21,955,109.76, 32,926,260.18 and 7,380,381.87

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Solution

The fourth proportional to 21,955,109.76, 32,926,260.18 and 7,380,381.87 is: 11,068,419.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,955,109.76 : 32,926,260.18 = 7,380,381.87 : x
  2. Step 2: Convert to fraction form
    21,955,109.76/32,926,260.18 = 7,380,381.87/x
  3. Step 3: Cross multiply
    21,955,109.76x = 32,926,260.18 × 7,380,381.87
  4. Step 4: Simplify right side
    21,955,109.76x = 243,008,373,679,374.94
  5. Step 5: Solve for x
    x = 243,008,373,679,374.94/21,955,109.76
  6. Step 6: Final answer
    x = 11,068,419.90

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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.