Home / 10,149,149.28-14,006,018.16-5,565,197.28

Finding the Fourth Proportional to 10,149,149.28, 14,006,018.16 and 5,565,197.28

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Solution

The fourth proportional to 10,149,149.28, 14,006,018.16 and 5,565,197.28 is: 7,680,077.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,149,149.28 : 14,006,018.16 = 5,565,197.28 : x
  2. Step 2: Convert to fraction form
    10,149,149.28/14,006,018.16 = 5,565,197.28/x
  3. Step 3: Cross multiply
    10,149,149.28x = 14,006,018.16 × 5,565,197.28
  4. Step 4: Simplify right side
    10,149,149.28x = 77,946,254,167,662.61
  5. Step 5: Solve for x
    x = 77,946,254,167,662.61/10,149,149.28
  6. Step 6: Final answer
    x = 7,680,077.61

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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.