Home / 31,048,139.60-46,520,722.92-18,880,797.68

Finding the Fourth Proportional to 31,048,139.60, 46,520,722.92 and 18,880,797.68

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Solution

The fourth proportional to 31,048,139.60, 46,520,722.92 and 18,880,797.68 is: 28,289,886.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,048,139.60 : 46,520,722.92 = 18,880,797.68 : x
  2. Step 2: Convert to fraction form
    31,048,139.60/46,520,722.92 = 18,880,797.68/x
  3. Step 3: Cross multiply
    31,048,139.60x = 46,520,722.92 × 18,880,797.68
  4. Step 4: Simplify right side
    31,048,139.60x = 878,348,357,379,858.88
  5. Step 5: Solve for x
    x = 878,348,357,379,858.88/31,048,139.60
  6. Step 6: Final answer
    x = 28,289,886.89

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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.