Home / 10,109,921.80-15,164,882.70-6,708,699.40

Finding the Fourth Proportional to 10,109,921.80, 15,164,882.70 and 6,708,699.40

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Solution

The fourth proportional to 10,109,921.80, 15,164,882.70 and 6,708,699.40 is: 10,063,049.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,109,921.80 : 15,164,882.70 = 6,708,699.40 : x
  2. Step 2: Convert to fraction form
    10,109,921.80/15,164,882.70 = 6,708,699.40/x
  3. Step 3: Cross multiply
    10,109,921.80x = 15,164,882.70 × 6,708,699.40
  4. Step 4: Simplify right side
    10,109,921.80x = 101,736,639,470,560.38
  5. Step 5: Solve for x
    x = 101,736,639,470,560.38/10,109,921.80
  6. Step 6: Final answer
    x = 10,063,049.10

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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.