Home / 6,871,127.80-10,306,691.70-5,281,713.40

Finding the Fourth Proportional to 6,871,127.80, 10,306,691.70 and 5,281,713.40

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Solution

The fourth proportional to 6,871,127.80, 10,306,691.70 and 5,281,713.40 is: 7,922,570.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,871,127.80 : 10,306,691.70 = 5,281,713.40 : x
  2. Step 2: Convert to fraction form
    6,871,127.80/10,306,691.70 = 5,281,713.40/x
  3. Step 3: Cross multiply
    6,871,127.80x = 10,306,691.70 × 5,281,713.40
  4. Step 4: Simplify right side
    6,871,127.80x = 54,436,991,661,558.78
  5. Step 5: Solve for x
    x = 54,436,991,661,558.78/6,871,127.80
  6. Step 6: Final answer
    x = 7,922,570.10

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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.