Home / 18,705,690.69-25,813,609.31-10,445,898.12

Finding the Fourth Proportional to 18,705,690.69, 25,813,609.31 and 10,445,898.12

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Solution

The fourth proportional to 18,705,690.69, 25,813,609.31 and 10,445,898.12 is: 14,415,203.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,705,690.69 : 25,813,609.31 = 10,445,898.12 : x
  2. Step 2: Convert to fraction form
    18,705,690.69/25,813,609.31 = 10,445,898.12/x
  3. Step 3: Cross multiply
    18,705,690.69x = 25,813,609.31 × 10,445,898.12
  4. Step 4: Simplify right side
    18,705,690.69x = 269,646,332,961,743.47
  5. Step 5: Solve for x
    x = 269,646,332,961,743.47/18,705,690.69
  6. Step 6: Final answer
    x = 14,415,203.24

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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.