Home / 31,968,016.40-47,952,024.60-19,202,934.80

Finding the Fourth Proportional to 31,968,016.40, 47,952,024.60 and 19,202,934.80

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Solution

The fourth proportional to 31,968,016.40, 47,952,024.60 and 19,202,934.80 is: 28,804,402.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,968,016.40 : 47,952,024.60 = 19,202,934.80 : x
  2. Step 2: Convert to fraction form
    31,968,016.40/47,952,024.60 = 19,202,934.80/x
  3. Step 3: Cross multiply
    31,968,016.40x = 47,952,024.60 × 19,202,934.80
  4. Step 4: Simplify right side
    31,968,016.40x = 920,819,601,921,796.12
  5. Step 5: Solve for x
    x = 920,819,601,921,796.12/31,968,016.40
  6. Step 6: Final answer
    x = 28,804,402.20

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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.