Home / 10,116,145.16-15,184,912.30-9,887,691.40

Finding the Fourth Proportional to 10,116,145.16, 15,184,912.30 and 9,887,691.40

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Solution

The fourth proportional to 10,116,145.16, 15,184,912.30 and 9,887,691.40 is: 14,841,990.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,116,145.16 : 15,184,912.30 = 9,887,691.40 : x
  2. Step 2: Convert to fraction form
    10,116,145.16/15,184,912.30 = 9,887,691.40/x
  3. Step 3: Cross multiply
    10,116,145.16x = 15,184,912.30 × 9,887,691.40
  4. Step 4: Simplify right side
    10,116,145.16x = 150,143,726,758,464.22
  5. Step 5: Solve for x
    x = 150,143,726,758,464.22/10,116,145.16
  6. Step 6: Final answer
    x = 14,841,990.14

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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.