Home / 27,228,001.80-40,842,002.70-21,063,286.20

Finding the Fourth Proportional to 27,228,001.80, 40,842,002.70 and 21,063,286.20

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Solution

The fourth proportional to 27,228,001.80, 40,842,002.70 and 21,063,286.20 is: 31,594,929.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,228,001.80 : 40,842,002.70 = 21,063,286.20 : x
  2. Step 2: Convert to fraction form
    27,228,001.80/40,842,002.70 = 21,063,286.20/x
  3. Step 3: Cross multiply
    27,228,001.80x = 40,842,002.70 × 21,063,286.20
  4. Step 4: Simplify right side
    27,228,001.80x = 860,266,791,851,272.75
  5. Step 5: Solve for x
    x = 860,266,791,851,272.75/27,228,001.80
  6. Step 6: Final answer
    x = 31,594,929.30

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1.5x scale

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.