Home / 12,378,044.40-18,531,637.20-10,960,868.40

Finding the Fourth Proportional to 12,378,044.40, 18,531,637.20 and 10,960,868.40

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Solution

The fourth proportional to 12,378,044.40, 18,531,637.20 and 10,960,868.40 is: 16,409,929.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,378,044.40 : 18,531,637.20 = 10,960,868.40 : x
  2. Step 2: Convert to fraction form
    12,378,044.40/18,531,637.20 = 10,960,868.40/x
  3. Step 3: Cross multiply
    12,378,044.40x = 18,531,637.20 × 10,960,868.40
  4. Step 4: Simplify right side
    12,378,044.40x = 203,122,836,585,744.47
  5. Step 5: Solve for x
    x = 203,122,836,585,744.47/12,378,044.40
  6. Step 6: Final answer
    x = 16,409,929.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.