Home / 26,606,649.80-39,810,326.70-18,948,000.20

Finding the Fourth Proportional to 26,606,649.80, 39,810,326.70 and 18,948,000.20

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Solution

The fourth proportional to 26,606,649.80, 39,810,326.70 and 18,948,000.20 is: 28,351,035.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,606,649.80 : 39,810,326.70 = 18,948,000.20 : x
  2. Step 2: Convert to fraction form
    26,606,649.80/39,810,326.70 = 18,948,000.20/x
  3. Step 3: Cross multiply
    26,606,649.80x = 39,810,326.70 × 18,948,000.20
  4. Step 4: Simplify right side
    26,606,649.80x = 754,326,078,273,665.38
  5. Step 5: Solve for x
    x = 754,326,078,273,665.38/26,606,649.80
  6. Step 6: Final answer
    x = 28,351,035.70

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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.