Home / 13,418,194.70-20,127,292.05-11,292,430.70

Finding the Fourth Proportional to 13,418,194.70, 20,127,292.05 and 11,292,430.70

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Solution

The fourth proportional to 13,418,194.70, 20,127,292.05 and 11,292,430.70 is: 16,938,646.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,418,194.70 : 20,127,292.05 = 11,292,430.70 : x
  2. Step 2: Convert to fraction form
    13,418,194.70/20,127,292.05 = 11,292,430.70/x
  3. Step 3: Cross multiply
    13,418,194.70x = 20,127,292.05 × 11,292,430.70
  4. Step 4: Simplify right side
    13,418,194.70x = 227,286,050,653,285.94
  5. Step 5: Solve for x
    x = 227,286,050,653,285.94/13,418,194.70
  6. Step 6: Final answer
    x = 16,938,646.05

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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.