Home / 31,138,216.80-46,711,789.20-9,574,629.60

Finding the Fourth Proportional to 31,138,216.80, 46,711,789.20 and 9,574,629.60

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Solution

The fourth proportional to 31,138,216.80, 46,711,789.20 and 9,574,629.60 is: 14,363,317.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,138,216.80 : 46,711,789.20 = 9,574,629.60 : x
  2. Step 2: Convert to fraction form
    31,138,216.80/46,711,789.20 = 9,574,629.60/x
  3. Step 3: Cross multiply
    31,138,216.80x = 46,711,789.20 × 9,574,629.60
  4. Step 4: Simplify right side
    31,138,216.80x = 447,248,079,543,280.31
  5. Step 5: Solve for x
    x = 447,248,079,543,280.31/31,138,216.80
  6. Step 6: Final answer
    x = 14,363,317.03

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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.