Home / 26,606,699.40-39,920,546.70-10,429,897.80

Finding the Fourth Proportional to 26,606,699.40, 39,920,546.70 and 10,429,897.80

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Solution

The fourth proportional to 26,606,699.40, 39,920,546.70 and 10,429,897.80 is: 15,648,961.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,606,699.40 : 39,920,546.70 = 10,429,897.80 : x
  2. Step 2: Convert to fraction form
    26,606,699.40/39,920,546.70 = 10,429,897.80/x
  3. Step 3: Cross multiply
    26,606,699.40x = 39,920,546.70 × 10,429,897.80
  4. Step 4: Simplify right side
    26,606,699.40x = 416,367,222,201,127.31
  5. Step 5: Solve for x
    x = 416,367,222,201,127.31/26,606,699.40
  6. Step 6: Final answer
    x = 15,648,961.79

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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.