Home / 8,387,034.08-12,562,110.86-6,931,217.84

Finding the Fourth Proportional to 8,387,034.08, 12,562,110.86 and 6,931,217.84

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Solution

The fourth proportional to 8,387,034.08, 12,562,110.86 and 6,931,217.84 is: 10,381,587.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,387,034.08 : 12,562,110.86 = 6,931,217.84 : x
  2. Step 2: Convert to fraction form
    8,387,034.08/12,562,110.86 = 6,931,217.84/x
  3. Step 3: Cross multiply
    8,387,034.08x = 12,562,110.86 × 6,931,217.84
  4. Step 4: Simplify right side
    8,387,034.08x = 87,070,726,803,423.09
  5. Step 5: Solve for x
    x = 87,070,726,803,423.09/8,387,034.08
  6. Step 6: Final answer
    x = 10,381,587.34

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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.