Home / 12,344,142-17,030,979.36-7,996,560.96

Finding the Fourth Proportional to 12,344,142, 17,030,979.36 and 7,996,560.96

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Solution

The fourth proportional to 12,344,142, 17,030,979.36 and 7,996,560.96 is: 11,032,703.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,344,142 : 17,030,979.36 = 7,996,560.96 : x
  2. Step 2: Convert to fraction form
    12,344,142/17,030,979.36 = 7,996,560.96/x
  3. Step 3: Cross multiply
    12,344,142x = 17,030,979.36 × 7,996,560.96
  4. Step 4: Simplify right side
    12,344,142x = 136,189,264,660,741.78
  5. Step 5: Solve for x
    x = 136,189,264,660,741.78/12,344,142
  6. Step 6: Final answer
    x = 11,032,703.99

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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.