Home / 18,333,897.09-27,513,768.78-8,618,953.52

Finding the Fourth Proportional to 18,333,897.09, 27,513,768.78 and 8,618,953.52

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Solution

The fourth proportional to 18,333,897.09, 27,513,768.78 and 8,618,953.52 is: 12,934,505.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,333,897.09 : 27,513,768.78 = 8,618,953.52 : x
  2. Step 2: Convert to fraction form
    18,333,897.09/27,513,768.78 = 8,618,953.52/x
  3. Step 3: Cross multiply
    18,333,897.09x = 27,513,768.78 × 8,618,953.52
  4. Step 4: Simplify right side
    18,333,897.09x = 237,139,894,137,278.28
  5. Step 5: Solve for x
    x = 237,139,894,137,278.28/18,333,897.09
  6. Step 6: Final answer
    x = 12,934,505.58

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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.