Home / 27,825,870.40-41,720,143.20-12,672,001.60

Finding the Fourth Proportional to 27,825,870.40, 41,720,143.20 and 12,672,001.60

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Solution

The fourth proportional to 27,825,870.40, 41,720,143.20 and 12,672,001.60 is: 18,999,503.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,825,870.40 : 41,720,143.20 = 12,672,001.60 : x
  2. Step 2: Convert to fraction form
    27,825,870.40/41,720,143.20 = 12,672,001.60/x
  3. Step 3: Cross multiply
    27,825,870.40x = 41,720,143.20 × 12,672,001.60
  4. Step 4: Simplify right side
    27,825,870.40x = 528,677,721,382,629.12
  5. Step 5: Solve for x
    x = 528,677,721,382,629.12/27,825,870.40
  6. Step 6: Final answer
    x = 18,999,503.48

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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.