Home / 17,120,400.71-23,627,647.65-9,386,937.70

Finding the Fourth Proportional to 17,120,400.71, 23,627,647.65 and 9,386,937.70

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Solution

The fourth proportional to 17,120,400.71, 23,627,647.65 and 9,386,937.70 is: 12,954,793.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,120,400.71 : 23,627,647.65 = 9,386,937.70 : x
  2. Step 2: Convert to fraction form
    17,120,400.71/23,627,647.65 = 9,386,937.70/x
  3. Step 3: Cross multiply
    17,120,400.71x = 23,627,647.65 × 9,386,937.70
  4. Step 4: Simplify right side
    17,120,400.71x = 221,791,256,429,032.28
  5. Step 5: Solve for x
    x = 221,791,256,429,032.28/17,120,400.71
  6. Step 6: Final answer
    x = 12,954,793.54

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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.