Home / 9,412,108.88-12,988,710.45-5,337,727.88

Finding the Fourth Proportional to 9,412,108.88, 12,988,710.45 and 5,337,727.88

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Solution

The fourth proportional to 9,412,108.88, 12,988,710.45 and 5,337,727.88 is: 7,366,064.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,412,108.88 : 12,988,710.45 = 5,337,727.88 : x
  2. Step 2: Convert to fraction form
    9,412,108.88/12,988,710.45 = 5,337,727.88/x
  3. Step 3: Cross multiply
    9,412,108.88x = 12,988,710.45 × 5,337,727.88
  4. Step 4: Simplify right side
    9,412,108.88x = 69,330,201,829,268.79
  5. Step 5: Solve for x
    x = 69,330,201,829,268.79/9,412,108.88
  6. Step 6: Final answer
    x = 7,366,064.58

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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.