Home / 6,663,993.28-9,996,363.78-1,871,308.83

Finding the Fourth Proportional to 6,663,993.28, 9,996,363.78 and 1,871,308.83

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Solution

The fourth proportional to 6,663,993.28, 9,996,363.78 and 1,871,308.83 is: 2,807,068.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,663,993.28 : 9,996,363.78 = 1,871,308.83 : x
  2. Step 2: Convert to fraction form
    6,663,993.28/9,996,363.78 = 1,871,308.83/x
  3. Step 3: Cross multiply
    6,663,993.28x = 9,996,363.78 × 1,871,308.83
  4. Step 4: Simplify right side
    6,663,993.28x = 18,706,283,809,406.18
  5. Step 5: Solve for x
    x = 18,706,283,809,406.18/6,663,993.28
  6. Step 6: Final answer
    x = 2,807,068.23

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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.