Home / 18,440,154.75-25,445,594.84-10,179,680.79

Finding the Fourth Proportional to 18,440,154.75, 25,445,594.84 and 10,179,680.79

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Solution

The fourth proportional to 18,440,154.75, 25,445,594.84 and 10,179,680.79 is: 14,046,955.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,440,154.75 : 25,445,594.84 = 10,179,680.79 : x
  2. Step 2: Convert to fraction form
    18,440,154.75/25,445,594.84 = 10,179,680.79/x
  3. Step 3: Cross multiply
    18,440,154.75x = 25,445,594.84 × 10,179,680.79
  4. Step 4: Simplify right side
    18,440,154.75x = 259,028,032,931,972.72
  5. Step 5: Solve for x
    x = 259,028,032,931,972.72/18,440,154.75
  6. Step 6: Final answer
    x = 14,046,955.49

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Double scale
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1.5x scale

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.