Home / 9,706,987.50-13,396,446.53-5,577,820.80

Finding the Fourth Proportional to 9,706,987.50, 13,396,446.53 and 5,577,820.80

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Solution

The fourth proportional to 9,706,987.50, 13,396,446.53 and 5,577,820.80 is: 7,697,854.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,706,987.50 : 13,396,446.53 = 5,577,820.80 : x
  2. Step 2: Convert to fraction form
    9,706,987.50/13,396,446.53 = 5,577,820.80/x
  3. Step 3: Cross multiply
    9,706,987.50x = 13,396,446.53 × 5,577,820.80
  4. Step 4: Simplify right side
    9,706,987.50x = 74,722,978,101,121.81
  5. Step 5: Solve for x
    x = 74,722,978,101,121.81/9,706,987.50
  6. Step 6: Final answer
    x = 7,697,854.57

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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.