Home / 9,868,659.28-13,618,835.04-5,458,310.80

Finding the Fourth Proportional to 9,868,659.28, 13,618,835.04 and 5,458,310.80

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Solution

The fourth proportional to 9,868,659.28, 13,618,835.04 and 5,458,310.80 is: 7,532,516.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,868,659.28 : 13,618,835.04 = 5,458,310.80 : x
  2. Step 2: Convert to fraction form
    9,868,659.28/13,618,835.04 = 5,458,310.80/x
  3. Step 3: Cross multiply
    9,868,659.28x = 13,618,835.04 × 5,458,310.80
  4. Step 4: Simplify right side
    9,868,659.28x = 74,335,834,382,250.42
  5. Step 5: Solve for x
    x = 74,335,834,382,250.42/9,868,659.28
  6. Step 6: Final answer
    x = 7,532,516.05

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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.