Home / 9,998,819.92-13,798,388.93-5,415,141.30

Finding the Fourth Proportional to 9,998,819.92, 13,798,388.93 and 5,415,141.30

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Solution

The fourth proportional to 9,998,819.92, 13,798,388.93 and 5,415,141.30 is: 7,472,904.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,998,819.92 : 13,798,388.93 = 5,415,141.30 : x
  2. Step 2: Convert to fraction form
    9,998,819.92/13,798,388.93 = 5,415,141.30/x
  3. Step 3: Cross multiply
    9,998,819.92x = 13,798,388.93 × 5,415,141.30
  4. Step 4: Simplify right side
    9,998,819.92x = 74,720,225,719,946.30
  5. Step 5: Solve for x
    x = 74,720,225,719,946.30/9,998,819.92
  6. Step 6: Final answer
    x = 7,472,904.43

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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.