Home / 12,309,076.76-18,447,110.10-9,579,919.10

Finding the Fourth Proportional to 12,309,076.76, 18,447,110.10 and 9,579,919.10

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Solution

The fourth proportional to 12,309,076.76, 18,447,110.10 and 9,579,919.10 is: 14,357,033.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,309,076.76 : 18,447,110.10 = 9,579,919.10 : x
  2. Step 2: Convert to fraction form
    12,309,076.76/18,447,110.10 = 9,579,919.10/x
  3. Step 3: Cross multiply
    12,309,076.76x = 18,447,110.10 × 9,579,919.10
  4. Step 4: Simplify right side
    12,309,076.76x = 176,721,822,294,557.38
  5. Step 5: Solve for x
    x = 176,721,822,294,557.38/12,309,076.76
  6. Step 6: Final answer
    x = 14,357,033.09

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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.