Home / 19,320,209.70-28,980,314.55-11,761,937.70

Finding the Fourth Proportional to 19,320,209.70, 28,980,314.55 and 11,761,937.70

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Solution

The fourth proportional to 19,320,209.70, 28,980,314.55 and 11,761,937.70 is: 17,642,906.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,320,209.70 : 28,980,314.55 = 11,761,937.70 : x
  2. Step 2: Convert to fraction form
    19,320,209.70/28,980,314.55 = 11,761,937.70/x
  3. Step 3: Cross multiply
    19,320,209.70x = 28,980,314.55 × 11,761,937.70
  4. Step 4: Simplify right side
    19,320,209.70x = 340,864,654,263,503.50
  5. Step 5: Solve for x
    x = 340,864,654,263,503.50/19,320,209.70
  6. Step 6: Final answer
    x = 17,642,906.55

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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.