Home / 21,607,999.40-32,391,723.90-8,153,868.20

Finding the Fourth Proportional to 21,607,999.40, 32,391,723.90 and 8,153,868.20

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Solution

The fourth proportional to 21,607,999.40, 32,391,723.90 and 8,153,868.20 is: 12,223,151.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,607,999.40 : 32,391,723.90 = 8,153,868.20 : x
  2. Step 2: Convert to fraction form
    21,607,999.40/32,391,723.90 = 8,153,868.20/x
  3. Step 3: Cross multiply
    21,607,999.40x = 32,391,723.90 × 8,153,868.20
  4. Step 4: Simplify right side
    21,607,999.40x = 264,117,847,451,389.97
  5. Step 5: Solve for x
    x = 264,117,847,451,389.97/21,607,999.40
  6. Step 6: Final answer
    x = 12,223,151.37

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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.