Home / 43,619,085.60-65,429,306.73-12,916,770.36

Finding the Fourth Proportional to 43,619,085.60, 65,429,306.73 and 12,916,770.36

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Solution

The fourth proportional to 43,619,085.60, 65,429,306.73 and 12,916,770.36 is: 19,375,356.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,619,085.60 : 65,429,306.73 = 12,916,770.36 : x
  2. Step 2: Convert to fraction form
    43,619,085.60/65,429,306.73 = 12,916,770.36/x
  3. Step 3: Cross multiply
    43,619,085.60x = 65,429,306.73 × 12,916,770.36
  4. Step 4: Simplify right side
    43,619,085.60x = 845,135,329,845,412.50
  5. Step 5: Solve for x
    x = 845,135,329,845,412.50/43,619,085.60
  6. Step 6: Final answer
    x = 19,375,356.41

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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.