Home / 6,648,356.88-9,962,387.64-3,947,363.28

Finding the Fourth Proportional to 6,648,356.88, 9,962,387.64 and 3,947,363.28

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Solution

The fourth proportional to 6,648,356.88, 9,962,387.64 and 3,947,363.28 is: 5,915,019.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,648,356.88 : 9,962,387.64 = 3,947,363.28 : x
  2. Step 2: Convert to fraction form
    6,648,356.88/9,962,387.64 = 3,947,363.28/x
  3. Step 3: Cross multiply
    6,648,356.88x = 9,962,387.64 × 3,947,363.28
  4. Step 4: Simplify right side
    6,648,356.88x = 39,325,163,151,261.86
  5. Step 5: Solve for x
    x = 39,325,163,151,261.86/6,648,356.88
  6. Step 6: Final answer
    x = 5,915,019.89

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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.