Home / 18,195,387.34-25,109,756.11-9,935,507.28

Finding the Fourth Proportional to 18,195,387.34, 25,109,756.11 and 9,935,507.28

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Solution

The fourth proportional to 18,195,387.34, 25,109,756.11 and 9,935,507.28 is: 13,711,066.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,195,387.34 : 25,109,756.11 = 9,935,507.28 : x
  2. Step 2: Convert to fraction form
    18,195,387.34/25,109,756.11 = 9,935,507.28/x
  3. Step 3: Cross multiply
    18,195,387.34x = 25,109,756.11 × 9,935,507.28
  4. Step 4: Simplify right side
    18,195,387.34x = 249,478,164,764,458.94
  5. Step 5: Solve for x
    x = 249,478,164,764,458.94/18,195,387.34
  6. Step 6: Final answer
    x = 13,711,066.45

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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.