Home / 7,928,920.50-10,940,982-4,665,017.40

Finding the Fourth Proportional to 7,928,920.50, 10,940,982 and 4,665,017.40

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Solution

The fourth proportional to 7,928,920.50, 10,940,982 and 4,665,017.40 is: 6,437,177.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,928,920.50 : 10,940,982 = 4,665,017.40 : x
  2. Step 2: Convert to fraction form
    7,928,920.50/10,940,982 = 4,665,017.40/x
  3. Step 3: Cross multiply
    7,928,920.50x = 10,940,982 × 4,665,017.40
  4. Step 4: Simplify right side
    7,928,920.50x = 51,039,871,403,086.80
  5. Step 5: Solve for x
    x = 51,039,871,403,086.80/7,928,920.50
  6. Step 6: Final answer
    x = 6,437,177.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.