Home / 18,654,113.10-25,742,728.38-10,815,148.77

Finding the Fourth Proportional to 18,654,113.10, 25,742,728.38 and 10,815,148.77

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Solution

The fourth proportional to 18,654,113.10, 25,742,728.38 and 10,815,148.77 is: 14,924,935.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,654,113.10 : 25,742,728.38 = 10,815,148.77 : x
  2. Step 2: Convert to fraction form
    18,654,113.10/25,742,728.38 = 10,815,148.77/x
  3. Step 3: Cross multiply
    18,654,113.10x = 25,742,728.38 × 10,815,148.77
  4. Step 4: Simplify right side
    18,654,113.10x = 278,411,437,175,401.06
  5. Step 5: Solve for x
    x = 278,411,437,175,401.06/18,654,113.10
  6. Step 6: Final answer
    x = 14,924,935.63

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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.