Home / 9,390,617.91-12,971,208.93-7,765,589.43

Finding the Fourth Proportional to 9,390,617.91, 12,971,208.93 and 7,765,589.43

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Solution

The fourth proportional to 9,390,617.91, 12,971,208.93 and 7,765,589.43 is: 10,726,566.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,390,617.91 : 12,971,208.93 = 7,765,589.43 : x
  2. Step 2: Convert to fraction form
    9,390,617.91/12,971,208.93 = 7,765,589.43/x
  3. Step 3: Cross multiply
    9,390,617.91x = 12,971,208.93 × 7,765,589.43
  4. Step 4: Simplify right side
    9,390,617.91x = 100,729,082,961,129.61
  5. Step 5: Solve for x
    x = 100,729,082,961,129.61/9,390,617.91
  6. Step 6: Final answer
    x = 10,726,566.02

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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.