Home / 21,545,984.80-32,336,602.80-21,378,023.20

Finding the Fourth Proportional to 21,545,984.80, 32,336,602.80 and 21,378,023.20

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Solution

The fourth proportional to 21,545,984.80, 32,336,602.80 and 21,378,023.20 is: 32,084,523.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,545,984.80 : 32,336,602.80 = 21,378,023.20 : x
  2. Step 2: Convert to fraction form
    21,545,984.80/32,336,602.80 = 21,378,023.20/x
  3. Step 3: Cross multiply
    21,545,984.80x = 32,336,602.80 × 21,378,023.20
  4. Step 4: Simplify right side
    21,545,984.80x = 691,292,644,867,585
  5. Step 5: Solve for x
    x = 691,292,644,867,585/21,545,984.80
  6. Step 6: Final answer
    x = 32,084,523.00

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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.