Home / 10,369,864.77-15,555,544.50-3,980,117.12

Finding the Fourth Proportional to 10,369,864.77, 15,555,544.50 and 3,980,117.12

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Solution

The fourth proportional to 10,369,864.77, 15,555,544.50 and 3,980,117.12 is: 5,970,462.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,369,864.77 : 15,555,544.50 = 3,980,117.12 : x
  2. Step 2: Convert to fraction form
    10,369,864.77/15,555,544.50 = 3,980,117.12/x
  3. Step 3: Cross multiply
    10,369,864.77x = 15,555,544.50 × 3,980,117.12
  4. Step 4: Simplify right side
    10,369,864.77x = 61,912,889,015,781.28
  5. Step 5: Solve for x
    x = 61,912,889,015,781.28/10,369,864.77
  6. Step 6: Final answer
    x = 5,970,462.53

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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.