Home / 21,886,872.20-32,830,308.30-20,123,275.40

Finding the Fourth Proportional to 21,886,872.20, 32,830,308.30 and 20,123,275.40

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Solution

The fourth proportional to 21,886,872.20, 32,830,308.30 and 20,123,275.40 is: 30,184,913.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,886,872.20 : 32,830,308.30 = 20,123,275.40 : x
  2. Step 2: Convert to fraction form
    21,886,872.20/32,830,308.30 = 20,123,275.40/x
  3. Step 3: Cross multiply
    21,886,872.20x = 32,830,308.30 × 20,123,275.40
  4. Step 4: Simplify right side
    21,886,872.20x = 660,653,335,387,805.75
  5. Step 5: Solve for x
    x = 660,653,335,387,805.75/21,886,872.20
  6. Step 6: Final answer
    x = 30,184,913.10

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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.