Home / 38,768,052.11-53,499,923.03-21,126,959.51

Finding the Fourth Proportional to 38,768,052.11, 53,499,923.03 and 21,126,959.51

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Solution

The fourth proportional to 38,768,052.11, 53,499,923.03 and 21,126,959.51 is: 29,155,210.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,768,052.11 : 53,499,923.03 = 21,126,959.51 : x
  2. Step 2: Convert to fraction form
    38,768,052.11/53,499,923.03 = 21,126,959.51/x
  3. Step 3: Cross multiply
    38,768,052.11x = 53,499,923.03 × 21,126,959.51
  4. Step 4: Simplify right side
    38,768,052.11x = 1,130,290,707,428,244.25
  5. Step 5: Solve for x
    x = 1,130,290,707,428,244.25/38,768,052.11
  6. Step 6: Final answer
    x = 29,155,210.18

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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.