Home / 21,888,837.36-30,206,602.06-11,965,763.17

Finding the Fourth Proportional to 21,888,837.36, 30,206,602.06 and 11,965,763.17

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Solution

The fourth proportional to 21,888,837.36, 30,206,602.06 and 11,965,763.17 is: 16,512,756.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,888,837.36 : 30,206,602.06 = 11,965,763.17 : x
  2. Step 2: Convert to fraction form
    21,888,837.36/30,206,602.06 = 11,965,763.17/x
  3. Step 3: Cross multiply
    21,888,837.36x = 30,206,602.06 × 11,965,763.17
  4. Step 4: Simplify right side
    21,888,837.36x = 361,445,046,495,545.38
  5. Step 5: Solve for x
    x = 361,445,046,495,545.38/21,888,837.36
  6. Step 6: Final answer
    x = 16,512,756.73

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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.