Home / 31,898,012.80-47,842,353.60-9,176,540.80

Finding the Fourth Proportional to 31,898,012.80, 47,842,353.60 and 9,176,540.80

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Solution

The fourth proportional to 31,898,012.80, 47,842,353.60 and 9,176,540.80 is: 13,763,468.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,898,012.80 : 47,842,353.60 = 9,176,540.80 : x
  2. Step 2: Convert to fraction form
    31,898,012.80/47,842,353.60 = 9,176,540.80/x
  3. Step 3: Cross multiply
    31,898,012.80x = 47,842,353.60 × 9,176,540.80
  4. Step 4: Simplify right side
    31,898,012.80x = 439,027,309,778,426.94
  5. Step 5: Solve for x
    x = 439,027,309,778,426.94/31,898,012.80
  6. Step 6: Final answer
    x = 13,763,468.98

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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.