Home / 10,385,587.82-15,564,456.43-8,082,861.35

Finding the Fourth Proportional to 10,385,587.82, 15,564,456.43 and 8,082,861.35

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Solution

The fourth proportional to 10,385,587.82, 15,564,456.43 and 8,082,861.35 is: 12,113,454.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,385,587.82 : 15,564,456.43 = 8,082,861.35 : x
  2. Step 2: Convert to fraction form
    10,385,587.82/15,564,456.43 = 8,082,861.35/x
  3. Step 3: Cross multiply
    10,385,587.82x = 15,564,456.43 × 8,082,861.35
  4. Step 4: Simplify right side
    10,385,587.82x = 125,805,343,271,391.67
  5. Step 5: Solve for x
    x = 125,805,343,271,391.67/10,385,587.82
  6. Step 6: Final answer
    x = 12,113,454.28

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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.