Home / 7,124,743.80-10,687,115.70-6,872,801.40

Finding the Fourth Proportional to 7,124,743.80, 10,687,115.70 and 6,872,801.40

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Solution

The fourth proportional to 7,124,743.80, 10,687,115.70 and 6,872,801.40 is: 10,309,202.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,124,743.80 : 10,687,115.70 = 6,872,801.40 : x
  2. Step 2: Convert to fraction form
    7,124,743.80/10,687,115.70 = 6,872,801.40/x
  3. Step 3: Cross multiply
    7,124,743.80x = 10,687,115.70 × 6,872,801.40
  4. Step 4: Simplify right side
    7,124,743.80x = 73,450,423,744,921.98
  5. Step 5: Solve for x
    x = 73,450,423,744,921.98/7,124,743.80
  6. Step 6: Final answer
    x = 10,309,202.10

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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.