Home / 31,530,094.43-47,272,443.21-19,374,443.46

Finding the Fourth Proportional to 31,530,094.43, 47,272,443.21 and 19,374,443.46

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Solution

The fourth proportional to 31,530,094.43, 47,272,443.21 and 19,374,443.46 is: 29,047,717.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,530,094.43 : 47,272,443.21 = 19,374,443.46 : x
  2. Step 2: Convert to fraction form
    31,530,094.43/47,272,443.21 = 19,374,443.46/x
  3. Step 3: Cross multiply
    31,530,094.43x = 47,272,443.21 × 19,374,443.46
  4. Step 4: Simplify right side
    31,530,094.43x = 915,877,278,188,206
  5. Step 5: Solve for x
    x = 915,877,278,188,206/31,530,094.43
  6. Step 6: Final answer
    x = 29,047,717.58

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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.