Home / 10,281,109.76-14,187,765.12-5,697,416.96

Finding the Fourth Proportional to 10,281,109.76, 14,187,765.12 and 5,697,416.96

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Solution

The fourth proportional to 10,281,109.76, 14,187,765.12 and 5,697,416.96 is: 7,862,343.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,281,109.76 : 14,187,765.12 = 5,697,416.96 : x
  2. Step 2: Convert to fraction form
    10,281,109.76/14,187,765.12 = 5,697,416.96/x
  3. Step 3: Cross multiply
    10,281,109.76x = 14,187,765.12 × 5,697,416.96
  4. Step 4: Simplify right side
    10,281,109.76x = 80,833,613,619,184.44
  5. Step 5: Solve for x
    x = 80,833,613,619,184.44/10,281,109.76
  6. Step 6: Final answer
    x = 7,862,343.22

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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.