Home / 18,466,170.71-25,470,099.32-12,960,774.05

Finding the Fourth Proportional to 18,466,170.71, 25,470,099.32 and 12,960,774.05

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Solution

The fourth proportional to 18,466,170.71, 25,470,099.32 and 12,960,774.05 is: 17,876,592.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,466,170.71 : 25,470,099.32 = 12,960,774.05 : x
  2. Step 2: Convert to fraction form
    18,466,170.71/25,470,099.32 = 12,960,774.05/x
  3. Step 3: Cross multiply
    18,466,170.71x = 25,470,099.32 × 12,960,774.05
  4. Step 4: Simplify right side
    18,466,170.71x = 330,112,202,125,424.31
  5. Step 5: Solve for x
    x = 330,112,202,125,424.31/18,466,170.71
  6. Step 6: Final answer
    x = 17,876,592.14

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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.