Home / 12,888,176.89-17,785,549.33-9,595,195.06

Finding the Fourth Proportional to 12,888,176.89, 17,785,549.33 and 9,595,195.06

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Solution

The fourth proportional to 12,888,176.89, 17,785,549.33 and 9,595,195.06 is: 13,241,268.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,888,176.89 : 17,785,549.33 = 9,595,195.06 : x
  2. Step 2: Convert to fraction form
    12,888,176.89/17,785,549.33 = 9,595,195.06/x
  3. Step 3: Cross multiply
    12,888,176.89x = 17,785,549.33 × 9,595,195.06
  4. Step 4: Simplify right side
    12,888,176.89x = 170,655,815,070,602.31
  5. Step 5: Solve for x
    x = 170,655,815,070,602.31/12,888,176.89
  6. Step 6: Final answer
    x = 13,241,268.84

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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.