Home / 15,464,805.84-21,340,838.88-8,589,726.72

Finding the Fourth Proportional to 15,464,805.84, 21,340,838.88 and 8,589,726.72

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Solution

The fourth proportional to 15,464,805.84, 21,340,838.88 and 8,589,726.72 is: 11,853,493.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,464,805.84 : 21,340,838.88 = 8,589,726.72 : x
  2. Step 2: Convert to fraction form
    15,464,805.84/21,340,838.88 = 8,589,726.72/x
  3. Step 3: Cross multiply
    15,464,805.84x = 21,340,838.88 × 8,589,726.72
  4. Step 4: Simplify right side
    15,464,805.84x = 183,311,973,954,750.88
  5. Step 5: Solve for x
    x = 183,311,973,954,750.88/15,464,805.84
  6. Step 6: Final answer
    x = 11,853,493.40

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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.