Home / 11,926,862.60-16,458,621.36-7,288,403.72

Finding the Fourth Proportional to 11,926,862.60, 16,458,621.36 and 7,288,403.72

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Solution

The fourth proportional to 11,926,862.60, 16,458,621.36 and 7,288,403.72 is: 10,057,722.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,926,862.60 : 16,458,621.36 = 7,288,403.72 : x
  2. Step 2: Convert to fraction form
    11,926,862.60/16,458,621.36 = 7,288,403.72/x
  3. Step 3: Cross multiply
    11,926,862.60x = 16,458,621.36 × 7,288,403.72
  4. Step 4: Simplify right side
    11,926,862.60x = 119,957,077,146,295.45
  5. Step 5: Solve for x
    x = 119,957,077,146,295.45/11,926,862.60
  6. Step 6: Final answer
    x = 10,057,722.74

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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.