Home / 40,386,418.16-60,598,544.78-19,904,972.56

Finding the Fourth Proportional to 40,386,418.16, 60,598,544.78 and 19,904,972.56

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Solution

The fourth proportional to 40,386,418.16, 60,598,544.78 and 19,904,972.56 is: 29,866,782.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,386,418.16 : 60,598,544.78 = 19,904,972.56 : x
  2. Step 2: Convert to fraction form
    40,386,418.16/60,598,544.78 = 19,904,972.56/x
  3. Step 3: Cross multiply
    40,386,418.16x = 60,598,544.78 × 19,904,972.56
  4. Step 4: Simplify right side
    40,386,418.16x = 1,206,212,371,021,831.25
  5. Step 5: Solve for x
    x = 1,206,212,371,021,831.25/40,386,418.16
  6. Step 6: Final answer
    x = 29,866,782.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.