Home / 47,403,380.57-71,105,071.03-13,324,726.45

Finding the Fourth Proportional to 47,403,380.57, 71,105,071.03 and 13,324,726.45

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Solution

The fourth proportional to 47,403,380.57, 71,105,071.03 and 13,324,726.45 is: 19,987,089.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,403,380.57 : 71,105,071.03 = 13,324,726.45 : x
  2. Step 2: Convert to fraction form
    47,403,380.57/71,105,071.03 = 13,324,726.45/x
  3. Step 3: Cross multiply
    47,403,380.57x = 71,105,071.03 × 13,324,726.45
  4. Step 4: Simplify right side
    47,403,380.57x = 947,455,620,682,569.75
  5. Step 5: Solve for x
    x = 947,455,620,682,569.75/47,403,380.57
  6. Step 6: Final answer
    x = 19,987,089.72

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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.