Home / 18,677,424.46-25,774,881.13-10,418,021.70

Finding the Fourth Proportional to 18,677,424.46, 25,774,881.13 and 10,418,021.70

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Solution

The fourth proportional to 18,677,424.46, 25,774,881.13 and 10,418,021.70 is: 14,376,889.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,677,424.46 : 25,774,881.13 = 10,418,021.70 : x
  2. Step 2: Convert to fraction form
    18,677,424.46/25,774,881.13 = 10,418,021.70/x
  3. Step 3: Cross multiply
    18,677,424.46x = 25,774,881.13 × 10,418,021.70
  4. Step 4: Simplify right side
    18,677,424.46x = 268,523,271,017,906.41
  5. Step 5: Solve for x
    x = 268,523,271,017,906.41/18,677,424.46
  6. Step 6: Final answer
    x = 14,376,889.68

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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.