Home / 21,695,121.60-32,541,645.60-7,316,779.20

Finding the Fourth Proportional to 21,695,121.60, 32,541,645.60 and 7,316,779.20

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Solution

The fourth proportional to 21,695,121.60, 32,541,645.60 and 7,316,779.20 is: 10,974,819.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,695,121.60 : 32,541,645.60 = 7,316,779.20 : x
  2. Step 2: Convert to fraction form
    21,695,121.60/32,541,645.60 = 7,316,779.20/x
  3. Step 3: Cross multiply
    21,695,121.60x = 32,541,645.60 × 7,316,779.20
  4. Step 4: Simplify right side
    21,695,121.60x = 238,100,035,659,851.53
  5. Step 5: Solve for x
    x = 238,100,035,659,851.53/21,695,121.60
  6. Step 6: Final answer
    x = 10,974,819.13

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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.