Home / 21,581,527.20-32,372,290.80-19,817,930.40

Finding the Fourth Proportional to 21,581,527.20, 32,372,290.80 and 19,817,930.40

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Solution

The fourth proportional to 21,581,527.20, 32,372,290.80 and 19,817,930.40 is: 29,726,895.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,581,527.20 : 32,372,290.80 = 19,817,930.40 : x
  2. Step 2: Convert to fraction form
    21,581,527.20/32,372,290.80 = 19,817,930.40/x
  3. Step 3: Cross multiply
    21,581,527.20x = 32,372,290.80 × 19,817,930.40
  4. Step 4: Simplify right side
    21,581,527.20x = 641,551,805,962,960.25
  5. Step 5: Solve for x
    x = 641,551,805,962,960.25/21,581,527.20
  6. Step 6: Final answer
    x = 29,726,895.60

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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.