Home / 31,785,370.80-47,678,056.20-7,850,842.80

Finding the Fourth Proportional to 31,785,370.80, 47,678,056.20 and 7,850,842.80

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Solution

The fourth proportional to 31,785,370.80, 47,678,056.20 and 7,850,842.80 is: 11,776,264.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,785,370.80 : 47,678,056.20 = 7,850,842.80 : x
  2. Step 2: Convert to fraction form
    31,785,370.80/47,678,056.20 = 7,850,842.80/x
  3. Step 3: Cross multiply
    31,785,370.80x = 47,678,056.20 × 7,850,842.80
  4. Step 4: Simplify right side
    31,785,370.80x = 374,312,924,235,765.38
  5. Step 5: Solve for x
    x = 374,312,924,235,765.38/31,785,370.80
  6. Step 6: Final answer
    x = 11,776,264.20

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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.