Home / 10,381,867.40-15,572,801.10-4,989,217.48

Finding the Fourth Proportional to 10,381,867.40, 15,572,801.10 and 4,989,217.48

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Solution

The fourth proportional to 10,381,867.40, 15,572,801.10 and 4,989,217.48 is: 7,483,826.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,381,867.40 : 15,572,801.10 = 4,989,217.48 : x
  2. Step 2: Convert to fraction form
    10,381,867.40/15,572,801.10 = 4,989,217.48/x
  3. Step 3: Cross multiply
    10,381,867.40x = 15,572,801.10 × 4,989,217.48
  4. Step 4: Simplify right side
    10,381,867.40x = 77,696,091,382,819.22
  5. Step 5: Solve for x
    x = 77,696,091,382,819.22/10,381,867.40
  6. Step 6: Final answer
    x = 7,483,826.21

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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.