Home / 42,029,997.56-63,039,778.32-11,326,978.88

Finding the Fourth Proportional to 42,029,997.56, 63,039,778.32 and 11,326,978.88

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Solution

The fourth proportional to 42,029,997.56, 63,039,778.32 and 11,326,978.88 is: 16,989,062.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,029,997.56 : 63,039,778.32 = 11,326,978.88 : x
  2. Step 2: Convert to fraction form
    42,029,997.56/63,039,778.32 = 11,326,978.88/x
  3. Step 3: Cross multiply
    42,029,997.56x = 63,039,778.32 × 11,326,978.88
  4. Step 4: Simplify right side
    42,029,997.56x = 714,050,237,630,521.88
  5. Step 5: Solve for x
    x = 714,050,237,630,521.88/42,029,997.56
  6. Step 6: Final answer
    x = 16,989,062.08

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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.