Home / 9,999,765.12-13,799,958.72-5,649,035.04

Finding the Fourth Proportional to 9,999,765.12, 13,799,958.72 and 5,649,035.04

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Solution

The fourth proportional to 9,999,765.12, 13,799,958.72 and 5,649,035.04 is: 7,795,828.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,999,765.12 : 13,799,958.72 = 5,649,035.04 : x
  2. Step 2: Convert to fraction form
    9,999,765.12/13,799,958.72 = 5,649,035.04/x
  3. Step 3: Cross multiply
    9,999,765.12x = 13,799,958.72 × 5,649,035.04
  4. Step 4: Simplify right side
    9,999,765.12x = 77,956,450,359,833.55
  5. Step 5: Solve for x
    x = 77,956,450,359,833.55/9,999,765.12
  6. Step 6: Final answer
    x = 7,795,828.14

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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.