Home / 8,199,061.10-12,290,718.45-6,376,415.30

Finding the Fourth Proportional to 8,199,061.10, 12,290,718.45 and 6,376,415.30

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Solution

The fourth proportional to 8,199,061.10, 12,290,718.45 and 6,376,415.30 is: 9,558,499.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,199,061.10 : 12,290,718.45 = 6,376,415.30 : x
  2. Step 2: Convert to fraction form
    8,199,061.10/12,290,718.45 = 6,376,415.30/x
  3. Step 3: Cross multiply
    8,199,061.10x = 12,290,718.45 × 6,376,415.30
  4. Step 4: Simplify right side
    8,199,061.10x = 78,370,725,172,572.28
  5. Step 5: Solve for x
    x = 78,370,725,172,572.28/8,199,061.10
  6. Step 6: Final answer
    x = 9,558,499.96

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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.