Home / 31,152,951.40-46,729,427.10-13,199,722.60

Finding the Fourth Proportional to 31,152,951.40, 46,729,427.10 and 13,199,722.60

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Solution

The fourth proportional to 31,152,951.40, 46,729,427.10 and 13,199,722.60 is: 19,799,583.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,152,951.40 : 46,729,427.10 = 13,199,722.60 : x
  2. Step 2: Convert to fraction form
    31,152,951.40/46,729,427.10 = 13,199,722.60/x
  3. Step 3: Cross multiply
    31,152,951.40x = 46,729,427.10 × 13,199,722.60
  4. Step 4: Simplify right side
    31,152,951.40x = 616,815,474,976,922.50
  5. Step 5: Solve for x
    x = 616,815,474,976,922.50/31,152,951.40
  6. Step 6: Final answer
    x = 19,799,583.90

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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.