Home / 12,866,268.60-19,251,164.88-7,659,834.48

Finding the Fourth Proportional to 12,866,268.60, 19,251,164.88 and 7,659,834.48

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Solution

The fourth proportional to 12,866,268.60, 19,251,164.88 and 7,659,834.48 is: 11,461,033.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,866,268.60 : 19,251,164.88 = 7,659,834.48 : x
  2. Step 2: Convert to fraction form
    12,866,268.60/19,251,164.88 = 7,659,834.48/x
  3. Step 3: Cross multiply
    12,866,268.60x = 19,251,164.88 × 7,659,834.48
  4. Step 4: Simplify right side
    12,866,268.60x = 147,460,736,527,989.06
  5. Step 5: Solve for x
    x = 147,460,736,527,989.06/12,866,268.60
  6. Step 6: Final answer
    x = 11,461,033.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.