Home / 25,762,941.40-38,644,412.10-21,542,906.20

Finding the Fourth Proportional to 25,762,941.40, 38,644,412.10 and 21,542,906.20

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Solution

The fourth proportional to 25,762,941.40, 38,644,412.10 and 21,542,906.20 is: 32,314,359.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,762,941.40 : 38,644,412.10 = 21,542,906.20 : x
  2. Step 2: Convert to fraction form
    25,762,941.40/38,644,412.10 = 21,542,906.20/x
  3. Step 3: Cross multiply
    25,762,941.40x = 38,644,412.10 × 21,542,906.20
  4. Step 4: Simplify right side
    25,762,941.40x = 832,512,945,024,445
  5. Step 5: Solve for x
    x = 832,512,945,024,445/25,762,941.40
  6. Step 6: Final answer
    x = 32,314,359.30

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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.