Home / 40,889,898.40-61,282,748.40-21,729,834.40

Finding the Fourth Proportional to 40,889,898.40, 61,282,748.40 and 21,729,834.40

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Solution

The fourth proportional to 40,889,898.40, 61,282,748.40 and 21,729,834.40 is: 32,567,064.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,889,898.40 : 61,282,748.40 = 21,729,834.40 : x
  2. Step 2: Convert to fraction form
    40,889,898.40/61,282,748.40 = 21,729,834.40/x
  3. Step 3: Cross multiply
    40,889,898.40x = 61,282,748.40 × 21,729,834.40
  4. Step 4: Simplify right side
    40,889,898.40x = 1,331,663,974,308,864.75
  5. Step 5: Solve for x
    x = 1,331,663,974,308,864.75/40,889,898.40
  6. Step 6: Final answer
    x = 32,567,064.88

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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.