Home / 31,152,891.40-46,729,337.10-13,199,662.60

Finding the Fourth Proportional to 31,152,891.40, 46,729,337.10 and 13,199,662.60

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Solution

The fourth proportional to 31,152,891.40, 46,729,337.10 and 13,199,662.60 is: 19,799,493.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,152,891.40 : 46,729,337.10 = 13,199,662.60 : x
  2. Step 2: Convert to fraction form
    31,152,891.40/46,729,337.10 = 13,199,662.60/x
  3. Step 3: Cross multiply
    31,152,891.40x = 46,729,337.10 × 13,199,662.60
  4. Step 4: Simplify right side
    31,152,891.40x = 616,811,483,241,662.50
  5. Step 5: Solve for x
    x = 616,811,483,241,662.50/31,152,891.40
  6. Step 6: Final answer
    x = 19,799,493.90

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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.