Home / 17,127,128.40-25,695,066.60-12,088,280.40

Finding the Fourth Proportional to 17,127,128.40, 25,695,066.60 and 12,088,280.40

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Solution

The fourth proportional to 17,127,128.40, 25,695,066.60 and 12,088,280.40 is: 18,135,507.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,127,128.40 : 25,695,066.60 = 12,088,280.40 : x
  2. Step 2: Convert to fraction form
    17,127,128.40/25,695,066.60 = 12,088,280.40/x
  3. Step 3: Cross multiply
    17,127,128.40x = 25,695,066.60 × 12,088,280.40
  4. Step 4: Simplify right side
    17,127,128.40x = 310,609,169,957,474.69
  5. Step 5: Solve for x
    x = 310,609,169,957,474.69/17,127,128.40
  6. Step 6: Final answer
    x = 18,135,507.76

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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.