Home / 10,369,887.28-15,555,578.27-3,980,139.64

Finding the Fourth Proportional to 10,369,887.28, 15,555,578.27 and 3,980,139.64

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Solution

The fourth proportional to 10,369,887.28, 15,555,578.27 and 3,980,139.64 is: 5,970,496.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,369,887.28 : 15,555,578.27 = 3,980,139.64 : x
  2. Step 2: Convert to fraction form
    10,369,887.28/15,555,578.27 = 3,980,139.64/x
  3. Step 3: Cross multiply
    10,369,887.28x = 15,555,578.27 × 3,980,139.64
  4. Step 4: Simplify right side
    10,369,887.28x = 61,913,373,695,549.62
  5. Step 5: Solve for x
    x = 61,913,373,695,549.62/10,369,887.28
  6. Step 6: Final answer
    x = 5,970,496.31

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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.