Home / 31,893,862.80-47,840,794.20-8,864,752.80

Finding the Fourth Proportional to 31,893,862.80, 47,840,794.20 and 8,864,752.80

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Solution

The fourth proportional to 31,893,862.80, 47,840,794.20 and 8,864,752.80 is: 13,297,129.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,893,862.80 : 47,840,794.20 = 8,864,752.80 : x
  2. Step 2: Convert to fraction form
    31,893,862.80/47,840,794.20 = 8,864,752.80/x
  3. Step 3: Cross multiply
    31,893,862.80x = 47,840,794.20 × 8,864,752.80
  4. Step 4: Simplify right side
    31,893,862.80x = 424,096,814,338,673.81
  5. Step 5: Solve for x
    x = 424,096,814,338,673.81/31,893,862.80
  6. Step 6: Final answer
    x = 13,297,129.20

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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.