Home / 10,251,427.20-15,366,643.20-5,989,401.60

Finding the Fourth Proportional to 10,251,427.20, 15,366,643.20 and 5,989,401.60

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Solution

The fourth proportional to 10,251,427.20, 15,366,643.20 and 5,989,401.60 is: 8,977,969.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,251,427.20 : 15,366,643.20 = 5,989,401.60 : x
  2. Step 2: Convert to fraction form
    10,251,427.20/15,366,643.20 = 5,989,401.60/x
  3. Step 3: Cross multiply
    10,251,427.20x = 15,366,643.20 × 5,989,401.60
  4. Step 4: Simplify right side
    10,251,427.20x = 92,036,997,368,709.11
  5. Step 5: Solve for x
    x = 92,036,997,368,709.11/10,251,427.20
  6. Step 6: Final answer
    x = 8,977,969.17

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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.