Home / 18,195,305.85-25,109,643.47-9,935,425.49

Finding the Fourth Proportional to 18,195,305.85, 25,109,643.47 and 9,935,425.49

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Solution

The fourth proportional to 18,195,305.85, 25,109,643.47 and 9,935,425.49 is: 13,710,953.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,195,305.85 : 25,109,643.47 = 9,935,425.49 : x
  2. Step 2: Convert to fraction form
    18,195,305.85/25,109,643.47 = 9,935,425.49/x
  3. Step 3: Cross multiply
    18,195,305.85x = 25,109,643.47 × 9,935,425.49
  4. Step 4: Simplify right side
    18,195,305.85x = 249,474,991,601,424.69
  5. Step 5: Solve for x
    x = 249,474,991,601,424.69/18,195,305.85
  6. Step 6: Final answer
    x = 13,710,953.45

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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.