Home / 40,130,345.97-55,378,023.71-22,726,816.65

Finding the Fourth Proportional to 40,130,345.97, 55,378,023.71 and 22,726,816.65

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Solution

The fourth proportional to 40,130,345.97, 55,378,023.71 and 22,726,816.65 is: 31,361,957.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,130,345.97 : 55,378,023.71 = 22,726,816.65 : x
  2. Step 2: Convert to fraction form
    40,130,345.97/55,378,023.71 = 22,726,816.65/x
  3. Step 3: Cross multiply
    40,130,345.97x = 55,378,023.71 × 22,726,816.65
  4. Step 4: Simplify right side
    40,130,345.97x = 1,258,566,191,182,888.50
  5. Step 5: Solve for x
    x = 1,258,566,191,182,888.50/40,130,345.97
  6. Step 6: Final answer
    x = 31,361,957.16

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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.