Home / 27,142,758.63-37,456,831.28-15,542,564.12

Finding the Fourth Proportional to 27,142,758.63, 37,456,831.28 and 15,542,564.12

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Solution

The fourth proportional to 27,142,758.63, 37,456,831.28 and 15,542,564.12 is: 21,448,637.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,142,758.63 : 37,456,831.28 = 15,542,564.12 : x
  2. Step 2: Convert to fraction form
    27,142,758.63/37,456,831.28 = 15,542,564.12/x
  3. Step 3: Cross multiply
    27,142,758.63x = 37,456,831.28 × 15,542,564.12
  4. Step 4: Simplify right side
    27,142,758.63x = 582,175,201,636,424.62
  5. Step 5: Solve for x
    x = 582,175,201,636,424.62/27,142,758.63
  6. Step 6: Final answer
    x = 21,448,637.91

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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.