Home / 42,571,575.40-63,851,142.30-12,276,279.40

Finding the Fourth Proportional to 42,571,575.40, 63,851,142.30 and 12,276,279.40

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Solution

The fourth proportional to 42,571,575.40, 63,851,142.30 and 12,276,279.40 is: 18,412,625.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,571,575.40 : 63,851,142.30 = 12,276,279.40 : x
  2. Step 2: Convert to fraction form
    42,571,575.40/63,851,142.30 = 12,276,279.40/x
  3. Step 3: Cross multiply
    42,571,575.40x = 63,851,142.30 × 12,276,279.40
  4. Step 4: Simplify right side
    42,571,575.40x = 783,854,462,883,958.62
  5. Step 5: Solve for x
    x = 783,854,462,883,958.62/42,571,575.40
  6. Step 6: Final answer
    x = 18,412,625.22

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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.