Home / 18,195,301.34-25,109,637.24-9,935,420.97

Finding the Fourth Proportional to 18,195,301.34, 25,109,637.24 and 9,935,420.97

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Solution

The fourth proportional to 18,195,301.34, 25,109,637.24 and 9,935,420.97 is: 13,710,947.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,195,301.34 : 25,109,637.24 = 9,935,420.97 : x
  2. Step 2: Convert to fraction form
    18,195,301.34/25,109,637.24 = 9,935,420.97/x
  3. Step 3: Cross multiply
    18,195,301.34x = 25,109,637.24 × 9,935,420.97
  4. Step 4: Simplify right side
    18,195,301.34x = 249,474,816,458,921.16
  5. Step 5: Solve for x
    x = 249,474,816,458,921.16/18,195,301.34
  6. Step 6: Final answer
    x = 13,710,947.23

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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.