Home / 17,715,005.20-26,572,507.80-13,431,984.40

Finding the Fourth Proportional to 17,715,005.20, 26,572,507.80 and 13,431,984.40

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Solution

The fourth proportional to 17,715,005.20, 26,572,507.80 and 13,431,984.40 is: 20,147,976.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,715,005.20 : 26,572,507.80 = 13,431,984.40 : x
  2. Step 2: Convert to fraction form
    17,715,005.20/26,572,507.80 = 13,431,984.40/x
  3. Step 3: Cross multiply
    17,715,005.20x = 26,572,507.80 × 13,431,984.40
  4. Step 4: Simplify right side
    17,715,005.20x = 356,921,510,238,478.31
  5. Step 5: Solve for x
    x = 356,921,510,238,478.31/17,715,005.20
  6. Step 6: Final answer
    x = 20,147,976.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.