Home / 21,472,779.22-32,199,215.55-8,005,991.38

Finding the Fourth Proportional to 21,472,779.22, 32,199,215.55 and 8,005,991.38

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Solution

The fourth proportional to 21,472,779.22, 32,199,215.55 and 8,005,991.38 is: 12,005,276.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,472,779.22 : 32,199,215.55 = 8,005,991.38 : x
  2. Step 2: Convert to fraction form
    21,472,779.22/32,199,215.55 = 8,005,991.38/x
  3. Step 3: Cross multiply
    21,472,779.22x = 32,199,215.55 × 8,005,991.38
  4. Step 4: Simplify right side
    21,472,779.22x = 257,786,642,136,061.97
  5. Step 5: Solve for x
    x = 257,786,642,136,061.97/21,472,779.22
  6. Step 6: Final answer
    x = 12,005,276.05

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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.