Home / 7,218,205.80-10,827,308.70-6,739,908.90

Finding the Fourth Proportional to 7,218,205.80, 10,827,308.70 and 6,739,908.90

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Solution

The fourth proportional to 7,218,205.80, 10,827,308.70 and 6,739,908.90 is: 10,109,863.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,218,205.80 : 10,827,308.70 = 6,739,908.90 : x
  2. Step 2: Convert to fraction form
    7,218,205.80/10,827,308.70 = 6,739,908.90/x
  3. Step 3: Cross multiply
    7,218,205.80x = 10,827,308.70 × 6,739,908.90
  4. Step 4: Simplify right side
    7,218,205.80x = 72,975,074,270,177.42
  5. Step 5: Solve for x
    x = 72,975,074,270,177.42/7,218,205.80
  6. Step 6: Final answer
    x = 10,109,863.35

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1.5x scale

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.