Home / 11,438,118.16-15,780,656.16-7,310,565.52

Finding the Fourth Proportional to 11,438,118.16, 15,780,656.16 and 7,310,565.52

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Solution

The fourth proportional to 11,438,118.16, 15,780,656.16 and 7,310,565.52 is: 10,086,057.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,438,118.16 : 15,780,656.16 = 7,310,565.52 : x
  2. Step 2: Convert to fraction form
    11,438,118.16/15,780,656.16 = 7,310,565.52/x
  3. Step 3: Cross multiply
    11,438,118.16x = 15,780,656.16 × 7,310,565.52
  4. Step 4: Simplify right side
    11,438,118.16x = 115,365,520,806,271.59
  5. Step 5: Solve for x
    x = 115,365,520,806,271.59/11,438,118.16
  6. Step 6: Final answer
    x = 10,086,057.79

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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.