Home / 14,063,521.84-21,200,691.54-13,126,078.72

Finding the Fourth Proportional to 14,063,521.84, 21,200,691.54 and 13,126,078.72

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Solution

The fourth proportional to 14,063,521.84, 21,200,691.54 and 13,126,078.72 is: 19,787,500.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,063,521.84 : 21,200,691.54 = 13,126,078.72 : x
  2. Step 2: Convert to fraction form
    14,063,521.84/21,200,691.54 = 13,126,078.72/x
  3. Step 3: Cross multiply
    14,063,521.84x = 21,200,691.54 × 13,126,078.72
  4. Step 4: Simplify right side
    14,063,521.84x = 278,281,946,072,478.03
  5. Step 5: Solve for x
    x = 278,281,946,072,478.03/14,063,521.84
  6. Step 6: Final answer
    x = 19,787,500.54

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.