Home / 13,230,410.40-18,256,695.71-7,427,862

Finding the Fourth Proportional to 13,230,410.40, 18,256,695.71 and 7,427,862

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Solution

The fourth proportional to 13,230,410.40, 18,256,695.71 and 7,427,862 is: 10,249,736.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,230,410.40 : 18,256,695.71 = 7,427,862 : x
  2. Step 2: Convert to fraction form
    13,230,410.40/18,256,695.71 = 7,427,862/x
  3. Step 3: Cross multiply
    13,230,410.40x = 18,256,695.71 × 7,427,862
  4. Step 4: Simplify right side
    13,230,410.40x = 135,608,216,272,732.70
  5. Step 5: Solve for x
    x = 135,608,216,272,732.70/13,230,410.40
  6. Step 6: Final answer
    x = 10,249,736.19

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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.