Home / 27,620,742.78-38,109,959.39-17,829,089.98

Finding the Fourth Proportional to 27,620,742.78, 38,109,959.39 and 17,829,089.98

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Solution

The fourth proportional to 27,620,742.78, 38,109,959.39 and 17,829,089.98 is: 24,599,841.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,620,742.78 : 38,109,959.39 = 17,829,089.98 : x
  2. Step 2: Convert to fraction form
    27,620,742.78/38,109,959.39 = 17,829,089.98/x
  3. Step 3: Cross multiply
    27,620,742.78x = 38,109,959.39 × 17,829,089.98
  4. Step 4: Simplify right side
    27,620,742.78x = 679,465,894,818,760.62
  5. Step 5: Solve for x
    x = 679,465,894,818,760.62/27,620,742.78
  6. Step 6: Final answer
    x = 24,599,841.51

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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.