Home / 19,217,611.76-26,519,512.20-11,486,916.32

Finding the Fourth Proportional to 19,217,611.76, 26,519,512.20 and 11,486,916.32

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Solution

The fourth proportional to 19,217,611.76, 26,519,512.20 and 11,486,916.32 is: 15,851,471.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,217,611.76 : 26,519,512.20 = 11,486,916.32 : x
  2. Step 2: Convert to fraction form
    19,217,611.76/26,519,512.20 = 11,486,916.32/x
  3. Step 3: Cross multiply
    19,217,611.76x = 26,519,512.20 × 11,486,916.32
  4. Step 4: Simplify right side
    19,217,611.76x = 304,627,417,488,619.12
  5. Step 5: Solve for x
    x = 304,627,417,488,619.12/19,217,611.76
  6. Step 6: Final answer
    x = 15,851,471.10

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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.