Home / 10,137,455.53-13,989,572.80-5,491,152.97

Finding the Fourth Proportional to 10,137,455.53, 13,989,572.80 and 5,491,152.97

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Solution

The fourth proportional to 10,137,455.53, 13,989,572.80 and 5,491,152.97 is: 7,577,728.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,137,455.53 : 13,989,572.80 = 5,491,152.97 : x
  2. Step 2: Convert to fraction form
    10,137,455.53/13,989,572.80 = 5,491,152.97/x
  3. Step 3: Cross multiply
    10,137,455.53x = 13,989,572.80 × 5,491,152.97
  4. Step 4: Simplify right side
    10,137,455.53x = 76,818,884,254,102.12
  5. Step 5: Solve for x
    x = 76,818,884,254,102.12/10,137,455.53
  6. Step 6: Final answer
    x = 7,577,728.36

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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.