Home / 8,910,729-13,363,952.67-4,113,809.64

Finding the Fourth Proportional to 8,910,729, 13,363,952.67 and 4,113,809.64

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Solution

The fourth proportional to 8,910,729, 13,363,952.67 and 4,113,809.64 is: 6,169,726.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,910,729 : 13,363,952.67 = 4,113,809.64 : x
  2. Step 2: Convert to fraction form
    8,910,729/13,363,952.67 = 4,113,809.64/x
  3. Step 3: Cross multiply
    8,910,729x = 13,363,952.67 × 4,113,809.64
  4. Step 4: Simplify right side
    8,910,729x = 54,976,757,322,349.74
  5. Step 5: Solve for x
    x = 54,976,757,322,349.74/8,910,729
  6. Step 6: Final answer
    x = 6,169,726.10

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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.