Home / 19,953,140.70-29,941,520.85-13,149,383.70

Finding the Fourth Proportional to 19,953,140.70, 29,941,520.85 and 13,149,383.70

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Solution

The fourth proportional to 19,953,140.70, 29,941,520.85 and 13,149,383.70 is: 19,731,858.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,953,140.70 : 29,941,520.85 = 13,149,383.70 : x
  2. Step 2: Convert to fraction form
    19,953,140.70/29,941,520.85 = 13,149,383.70/x
  3. Step 3: Cross multiply
    19,953,140.70x = 29,941,520.85 × 13,149,383.70
  4. Step 4: Simplify right side
    19,953,140.70x = 393,712,546,218,200.12
  5. Step 5: Solve for x
    x = 393,712,546,218,200.12/19,953,140.70
  6. Step 6: Final answer
    x = 19,731,858.36

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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.