Home / 21,706,687.40-32,581,026.30-13,203,631.40

Finding the Fourth Proportional to 21,706,687.40, 32,581,026.30 and 13,203,631.40

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Solution

The fourth proportional to 21,706,687.40, 32,581,026.30 and 13,203,631.40 is: 19,818,217.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,706,687.40 : 32,581,026.30 = 13,203,631.40 : x
  2. Step 2: Convert to fraction form
    21,706,687.40/32,581,026.30 = 13,203,631.40/x
  3. Step 3: Cross multiply
    21,706,687.40x = 32,581,026.30 × 13,203,631.40
  4. Step 4: Simplify right side
    21,706,687.40x = 430,187,861,898,905.81
  5. Step 5: Solve for x
    x = 430,187,861,898,905.81/21,706,687.40
  6. Step 6: Final answer
    x = 19,818,217.95

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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.