Home / 39,900,717-55,063,013.04-22,259,619.63

Finding the Fourth Proportional to 39,900,717, 55,063,013.04 and 22,259,619.63

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Solution

The fourth proportional to 39,900,717, 55,063,013.04 and 22,259,619.63 is: 30,718,288.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,900,717 : 55,063,013.04 = 22,259,619.63 : x
  2. Step 2: Convert to fraction form
    39,900,717/55,063,013.04 = 22,259,619.63/x
  3. Step 3: Cross multiply
    39,900,717x = 55,063,013.04 × 22,259,619.63
  4. Step 4: Simplify right side
    39,900,717x = 1,225,681,725,952,130
  5. Step 5: Solve for x
    x = 1,225,681,725,952,130/39,900,717
  6. Step 6: Final answer
    x = 30,718,288.24

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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.