Home / 31,330,840.20-46,996,260.30-28,638,205.80

Finding the Fourth Proportional to 31,330,840.20, 46,996,260.30 and 28,638,205.80

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Solution

The fourth proportional to 31,330,840.20, 46,996,260.30 and 28,638,205.80 is: 42,957,308.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,330,840.20 : 46,996,260.30 = 28,638,205.80 : x
  2. Step 2: Convert to fraction form
    31,330,840.20/46,996,260.30 = 28,638,205.80/x
  3. Step 3: Cross multiply
    31,330,840.20x = 46,996,260.30 × 28,638,205.80
  4. Step 4: Simplify right side
    31,330,840.20x = 1,345,888,574,301,769.75
  5. Step 5: Solve for x
    x = 1,345,888,574,301,769.75/31,330,840.20
  6. Step 6: Final answer
    x = 42,957,308.70

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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.