Home / 10,105,890.90-15,158,836.35-5,555,181.30

Finding the Fourth Proportional to 10,105,890.90, 15,158,836.35 and 5,555,181.30

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Solution

The fourth proportional to 10,105,890.90, 15,158,836.35 and 5,555,181.30 is: 8,332,771.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,105,890.90 : 15,158,836.35 = 5,555,181.30 : x
  2. Step 2: Convert to fraction form
    10,105,890.90/15,158,836.35 = 5,555,181.30/x
  3. Step 3: Cross multiply
    10,105,890.90x = 15,158,836.35 × 5,555,181.30
  4. Step 4: Simplify right side
    10,105,890.90x = 84,210,084,221,280.25
  5. Step 5: Solve for x
    x = 84,210,084,221,280.25/10,105,890.90
  6. Step 6: Final answer
    x = 8,332,771.95

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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.