Home / 31,152,830.40-46,729,245.60-13,199,601.60

Finding the Fourth Proportional to 31,152,830.40, 46,729,245.60 and 13,199,601.60

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Solution

The fourth proportional to 31,152,830.40, 46,729,245.60 and 13,199,601.60 is: 19,799,402.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,152,830.40 : 46,729,245.60 = 13,199,601.60 : x
  2. Step 2: Convert to fraction form
    31,152,830.40/46,729,245.60 = 13,199,601.60/x
  3. Step 3: Cross multiply
    31,152,830.40x = 46,729,245.60 × 13,199,601.60
  4. Step 4: Simplify right side
    31,152,830.40x = 616,807,424,988,553
  5. Step 5: Solve for x
    x = 616,807,424,988,553/31,152,830.40
  6. Step 6: Final answer
    x = 19,799,402.40

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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.