Home / 12,718,591.36-18,991,737.45-10,095,466.76

Finding the Fourth Proportional to 12,718,591.36, 18,991,737.45 and 10,095,466.76

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Solution

The fourth proportional to 12,718,591.36, 18,991,737.45 and 10,095,466.76 is: 15,074,818.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,718,591.36 : 18,991,737.45 = 10,095,466.76 : x
  2. Step 2: Convert to fraction form
    12,718,591.36/18,991,737.45 = 10,095,466.76/x
  3. Step 3: Cross multiply
    12,718,591.36x = 18,991,737.45 × 10,095,466.76
  4. Step 4: Simplify right side
    12,718,591.36x = 191,730,454,141,122.16
  5. Step 5: Solve for x
    x = 191,730,454,141,122.16/12,718,591.36
  6. Step 6: Final answer
    x = 15,074,818.33

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.