Home / 13,309,357.49-18,367,763.85-7,506,021.77

Finding the Fourth Proportional to 13,309,357.49, 18,367,763.85 and 7,506,021.77

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Solution

The fourth proportional to 13,309,357.49, 18,367,763.85 and 7,506,021.77 is: 10,358,789.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,309,357.49 : 18,367,763.85 = 7,506,021.77 : x
  2. Step 2: Convert to fraction form
    13,309,357.49/18,367,763.85 = 7,506,021.77/x
  3. Step 3: Cross multiply
    13,309,357.49x = 18,367,763.85 × 7,506,021.77
  4. Step 4: Simplify right side
    13,309,357.49x = 137,868,835,324,319.02
  5. Step 5: Solve for x
    x = 137,868,835,324,319.02/13,309,357.49
  6. Step 6: Final answer
    x = 10,358,789.70

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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.