Home / 12,826,169.53-17,700,400.47-7,319,434.75

Finding the Fourth Proportional to 12,826,169.53, 17,700,400.47 and 7,319,434.75

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Solution

The fourth proportional to 12,826,169.53, 17,700,400.47 and 7,319,434.75 is: 10,100,983.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,826,169.53 : 17,700,400.47 = 7,319,434.75 : x
  2. Step 2: Convert to fraction form
    12,826,169.53/17,700,400.47 = 7,319,434.75/x
  3. Step 3: Cross multiply
    12,826,169.53x = 17,700,400.47 × 7,319,434.75
  4. Step 4: Simplify right side
    12,826,169.53x = 129,556,926,289,034.33
  5. Step 5: Solve for x
    x = 129,556,926,289,034.33/12,826,169.53
  6. Step 6: Final answer
    x = 10,100,983.46

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1.5x scale

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.