Home / 21,561,246.40-32,341,869.60-8,775,169.60

Finding the Fourth Proportional to 21,561,246.40, 32,341,869.60 and 8,775,169.60

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Solution

The fourth proportional to 21,561,246.40, 32,341,869.60 and 8,775,169.60 is: 13,162,754.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,561,246.40 : 32,341,869.60 = 8,775,169.60 : x
  2. Step 2: Convert to fraction form
    21,561,246.40/32,341,869.60 = 8,775,169.60/x
  3. Step 3: Cross multiply
    21,561,246.40x = 32,341,869.60 × 8,775,169.60
  4. Step 4: Simplify right side
    21,561,246.40x = 283,805,390,921,084.19
  5. Step 5: Solve for x
    x = 283,805,390,921,084.19/21,561,246.40
  6. Step 6: Final answer
    x = 13,162,754.40

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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.