Home / 8,086,312.30-12,129,468.45-6,868,590.70

Finding the Fourth Proportional to 8,086,312.30, 12,129,468.45 and 6,868,590.70

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Solution

The fourth proportional to 8,086,312.30, 12,129,468.45 and 6,868,590.70 is: 10,302,886.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,086,312.30 : 12,129,468.45 = 6,868,590.70 : x
  2. Step 2: Convert to fraction form
    8,086,312.30/12,129,468.45 = 6,868,590.70/x
  3. Step 3: Cross multiply
    8,086,312.30x = 12,129,468.45 × 6,868,590.70
  4. Step 4: Simplify right side
    8,086,312.30x = 83,312,354,191,613.41
  5. Step 5: Solve for x
    x = 83,312,354,191,613.41/8,086,312.30
  6. Step 6: Final answer
    x = 10,302,886.05

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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.