Home / 21,785,417.76-32,662,992.96-9,648,266.88

Finding the Fourth Proportional to 21,785,417.76, 32,662,992.96 and 9,648,266.88

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Solution

The fourth proportional to 21,785,417.76, 32,662,992.96 and 9,648,266.88 is: 14,465,697.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,785,417.76 : 32,662,992.96 = 9,648,266.88 : x
  2. Step 2: Convert to fraction form
    21,785,417.76/32,662,992.96 = 9,648,266.88/x
  3. Step 3: Cross multiply
    21,785,417.76x = 32,662,992.96 × 9,648,266.88
  4. Step 4: Simplify right side
    21,785,417.76x = 315,141,273,177,641.19
  5. Step 5: Solve for x
    x = 315,141,273,177,641.19/21,785,417.76
  6. Step 6: Final answer
    x = 14,465,697.96

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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.