Home / 10,099,917.92-13,928,655.84-7,895,072

Finding the Fourth Proportional to 10,099,917.92, 13,928,655.84 and 7,895,072

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Solution

The fourth proportional to 10,099,917.92, 13,928,655.84 and 7,895,072 is: 10,887,983.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,099,917.92 : 13,928,655.84 = 7,895,072 : x
  2. Step 2: Convert to fraction form
    10,099,917.92/13,928,655.84 = 7,895,072/x
  3. Step 3: Cross multiply
    10,099,917.92x = 13,928,655.84 × 7,895,072
  4. Step 4: Simplify right side
    10,099,917.92x = 109,967,740,720,020.48
  5. Step 5: Solve for x
    x = 109,967,740,720,020.48/10,099,917.92
  6. Step 6: Final answer
    x = 10,887,983.60

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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.