Home / 37,989,731.85-56,990,261.21-12,082,878.36

Finding the Fourth Proportional to 37,989,731.85, 56,990,261.21 and 12,082,878.36

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Solution

The fourth proportional to 37,989,731.85, 56,990,261.21 and 12,082,878.36 is: 18,126,118.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,989,731.85 : 56,990,261.21 = 12,082,878.36 : x
  2. Step 2: Convert to fraction form
    37,989,731.85/56,990,261.21 = 12,082,878.36/x
  3. Step 3: Cross multiply
    37,989,731.85x = 56,990,261.21 × 12,082,878.36
  4. Step 4: Simplify right side
    37,989,731.85x = 688,606,393,905,056.38
  5. Step 5: Solve for x
    x = 688,606,393,905,056.38/37,989,731.85
  6. Step 6: Final answer
    x = 18,126,118.83

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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.