Home / 42,054,627.20-63,084,014.40-21,899,235.20

Finding the Fourth Proportional to 42,054,627.20, 63,084,014.40 and 21,899,235.20

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Solution

The fourth proportional to 42,054,627.20, 63,084,014.40 and 21,899,235.20 is: 32,849,932.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,054,627.20 : 63,084,014.40 = 21,899,235.20 : x
  2. Step 2: Convert to fraction form
    42,054,627.20/63,084,014.40 = 21,899,235.20/x
  3. Step 3: Cross multiply
    42,054,627.20x = 63,084,014.40 × 21,899,235.20
  4. Step 4: Simplify right side
    42,054,627.20x = 1,381,491,668,705,786.75
  5. Step 5: Solve for x
    x = 1,381,491,668,705,786.75/42,054,627.20
  6. Step 6: Final answer
    x = 32,849,932.59

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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.