Home / 15,118,100.87-20,864,750.39-8,592,711.20

Finding the Fourth Proportional to 15,118,100.87, 20,864,750.39 and 8,592,711.20

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Solution

The fourth proportional to 15,118,100.87, 20,864,750.39 and 8,592,711.20 is: 11,858,948.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,118,100.87 : 20,864,750.39 = 8,592,711.20 : x
  2. Step 2: Convert to fraction form
    15,118,100.87/20,864,750.39 = 8,592,711.20/x
  3. Step 3: Cross multiply
    15,118,100.87x = 20,864,750.39 × 8,592,711.20
  4. Step 4: Simplify right side
    15,118,100.87x = 179,284,774,417,737.06
  5. Step 5: Solve for x
    x = 179,284,774,417,737.06/15,118,100.87
  6. Step 6: Final answer
    x = 11,858,948.15

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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.