Home / 31,121,337.60-46,650,513.60-18,335,260.80

Finding the Fourth Proportional to 31,121,337.60, 46,650,513.60 and 18,335,260.80

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Solution

The fourth proportional to 31,121,337.60, 46,650,513.60 and 18,335,260.80 is: 27,484,337.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,121,337.60 : 46,650,513.60 = 18,335,260.80 : x
  2. Step 2: Convert to fraction form
    31,121,337.60/46,650,513.60 = 18,335,260.80/x
  3. Step 3: Cross multiply
    31,121,337.60x = 46,650,513.60 × 18,335,260.80
  4. Step 4: Simplify right side
    31,121,337.60x = 855,349,333,309,947
  5. Step 5: Solve for x
    x = 855,349,333,309,947/31,121,337.60
  6. Step 6: Final answer
    x = 27,484,337.09

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.