Home / 31,503,384-47,263,047.66-8,784,281.25

Finding the Fourth Proportional to 31,503,384, 47,263,047.66 and 8,784,281.25

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Solution

The fourth proportional to 31,503,384, 47,263,047.66 and 8,784,281.25 is: 13,178,644.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,503,384 : 47,263,047.66 = 8,784,281.25 : x
  2. Step 2: Convert to fraction form
    31,503,384/47,263,047.66 = 8,784,281.25/x
  3. Step 3: Cross multiply
    31,503,384x = 47,263,047.66 × 8,784,281.25
  4. Step 4: Simplify right side
    31,503,384x = 415,171,903,377,594.31
  5. Step 5: Solve for x
    x = 415,171,903,377,594.31/31,503,384
  6. Step 6: Final answer
    x = 13,178,644.66

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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.