Home / 18,125,095.84-25,012,736.28-9,865,138.42

Finding the Fourth Proportional to 18,125,095.84, 25,012,736.28 and 9,865,138.42

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Solution

The fourth proportional to 18,125,095.84, 25,012,736.28 and 9,865,138.42 is: 13,613,947.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,125,095.84 : 25,012,736.28 = 9,865,138.42 : x
  2. Step 2: Convert to fraction form
    18,125,095.84/25,012,736.28 = 9,865,138.42/x
  3. Step 3: Cross multiply
    18,125,095.84x = 25,012,736.28 × 9,865,138.42
  4. Step 4: Simplify right side
    18,125,095.84x = 246,754,105,665,155.88
  5. Step 5: Solve for x
    x = 246,754,105,665,155.88/18,125,095.84
  6. Step 6: Final answer
    x = 13,613,947.64

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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.