Home / 13,309,359-18,367,765.93-7,506,023.28

Finding the Fourth Proportional to 13,309,359, 18,367,765.93 and 7,506,023.28

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Solution

The fourth proportional to 13,309,359, 18,367,765.93 and 7,506,023.28 is: 10,358,791.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,309,359 : 18,367,765.93 = 7,506,023.28 : x
  2. Step 2: Convert to fraction form
    13,309,359/18,367,765.93 = 7,506,023.28/x
  3. Step 3: Cross multiply
    13,309,359x = 18,367,765.93 × 7,506,023.28
  4. Step 4: Simplify right side
    13,309,359x = 137,868,878,672,170.86
  5. Step 5: Solve for x
    x = 137,868,878,672,170.86/13,309,359
  6. Step 6: Final answer
    x = 10,358,791.78

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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.