Home / 13,019,234.20-17,967,607.86-7,219,835.08

Finding the Fourth Proportional to 13,019,234.20, 17,967,607.86 and 7,219,835.08

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Solution

The fourth proportional to 13,019,234.20, 17,967,607.86 and 7,219,835.08 is: 9,963,962.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,019,234.20 : 17,967,607.86 = 7,219,835.08 : x
  2. Step 2: Convert to fraction form
    13,019,234.20/17,967,607.86 = 7,219,835.08/x
  3. Step 3: Cross multiply
    13,019,234.20x = 17,967,607.86 × 7,219,835.08
  4. Step 4: Simplify right side
    13,019,234.20x = 129,723,165,531,311.72
  5. Step 5: Solve for x
    x = 129,723,165,531,311.72/13,019,234.20
  6. Step 6: Final answer
    x = 9,963,962.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.