Home / 6,981,089.40-9,629,966.97-4,189,498.77

Finding the Fourth Proportional to 6,981,089.40, 9,629,966.97 and 4,189,498.77

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Solution

The fourth proportional to 6,981,089.40, 9,629,966.97 and 4,189,498.77 is: 5,779,145.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,981,089.40 : 9,629,966.97 = 4,189,498.77 : x
  2. Step 2: Convert to fraction form
    6,981,089.40/9,629,966.97 = 4,189,498.77/x
  3. Step 3: Cross multiply
    6,981,089.40x = 9,629,966.97 × 4,189,498.77
  4. Step 4: Simplify right side
    6,981,089.40x = 40,344,734,775,955.63
  5. Step 5: Solve for x
    x = 40,344,734,775,955.63/6,981,089.40
  6. Step 6: Final answer
    x = 5,779,145.98

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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.