Home / 13,131,335.52-18,118,854.09-9,223,033.55

Finding the Fourth Proportional to 13,131,335.52, 18,118,854.09 and 9,223,033.55

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Solution

The fourth proportional to 13,131,335.52, 18,118,854.09 and 9,223,033.55 is: 12,726,108.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,131,335.52 : 18,118,854.09 = 9,223,033.55 : x
  2. Step 2: Convert to fraction form
    13,131,335.52/18,118,854.09 = 9,223,033.55/x
  3. Step 3: Cross multiply
    13,131,335.52x = 18,118,854.09 × 9,223,033.55
  4. Step 4: Simplify right side
    13,131,335.52x = 167,110,799,069,030.44
  5. Step 5: Solve for x
    x = 167,110,799,069,030.44/13,131,335.52
  6. Step 6: Final answer
    x = 12,726,108.39

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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.