Home / 7,643,909.80-11,465,864.70-4,277,679.40

Finding the Fourth Proportional to 7,643,909.80, 11,465,864.70 and 4,277,679.40

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Solution

The fourth proportional to 7,643,909.80, 11,465,864.70 and 4,277,679.40 is: 6,416,519.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,643,909.80 : 11,465,864.70 = 4,277,679.40 : x
  2. Step 2: Convert to fraction form
    7,643,909.80/11,465,864.70 = 4,277,679.40/x
  3. Step 3: Cross multiply
    7,643,909.80x = 11,465,864.70 × 4,277,679.40
  4. Step 4: Simplify right side
    7,643,909.80x = 49,047,293,230,377.18
  5. Step 5: Solve for x
    x = 49,047,293,230,377.18/7,643,909.80
  6. Step 6: Final answer
    x = 6,416,519.10

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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.