Home / 28,088,854.20-42,164,774.10-21,727,308.60

Finding the Fourth Proportional to 28,088,854.20, 42,164,774.10 and 21,727,308.60

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Solution

The fourth proportional to 28,088,854.20, 42,164,774.10 and 21,727,308.60 is: 32,615,323.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,088,854.20 : 42,164,774.10 = 21,727,308.60 : x
  2. Step 2: Convert to fraction form
    28,088,854.20/42,164,774.10 = 21,727,308.60/x
  3. Step 3: Cross multiply
    28,088,854.20x = 42,164,774.10 × 21,727,308.60
  4. Step 4: Simplify right side
    28,088,854.20x = 916,127,058,919,987.38
  5. Step 5: Solve for x
    x = 916,127,058,919,987.38/28,088,854.20
  6. Step 6: Final answer
    x = 32,615,323.23

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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.