Home / 31,896,021.60-47,844,032.40-21,818,325.60

Finding the Fourth Proportional to 31,896,021.60, 47,844,032.40 and 21,818,325.60

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Solution

The fourth proportional to 31,896,021.60, 47,844,032.40 and 21,818,325.60 is: 32,727,488.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,896,021.60 : 47,844,032.40 = 21,818,325.60 : x
  2. Step 2: Convert to fraction form
    31,896,021.60/47,844,032.40 = 21,818,325.60/x
  3. Step 3: Cross multiply
    31,896,021.60x = 47,844,032.40 × 21,818,325.60
  4. Step 4: Simplify right side
    31,896,021.60x = 1,043,876,676,920,149.50
  5. Step 5: Solve for x
    x = 1,043,876,676,920,149.50/31,896,021.60
  6. Step 6: Final answer
    x = 32,727,488.40

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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.