Home / 21,598,502.40-32,398,099.20-5,642,150.40

Finding the Fourth Proportional to 21,598,502.40, 32,398,099.20 and 5,642,150.40

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Solution

The fourth proportional to 21,598,502.40, 32,398,099.20 and 5,642,150.40 is: 8,463,315.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,598,502.40 : 32,398,099.20 = 5,642,150.40 : x
  2. Step 2: Convert to fraction form
    21,598,502.40/32,398,099.20 = 5,642,150.40/x
  3. Step 3: Cross multiply
    21,598,502.40x = 32,398,099.20 × 5,642,150.40
  4. Step 4: Simplify right side
    21,598,502.40x = 182,794,948,360,519.69
  5. Step 5: Solve for x
    x = 182,794,948,360,519.69/21,598,502.40
  6. Step 6: Final answer
    x = 8,463,315.88

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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.