Home / 31,559,894.80-47,220,034.20-20,943,062.80

Finding the Fourth Proportional to 31,559,894.80, 47,220,034.20 and 20,943,062.80

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Solution

The fourth proportional to 31,559,894.80, 47,220,034.20 and 20,943,062.80 is: 31,335,089.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,559,894.80 : 47,220,034.20 = 20,943,062.80 : x
  2. Step 2: Convert to fraction form
    31,559,894.80/47,220,034.20 = 20,943,062.80/x
  3. Step 3: Cross multiply
    31,559,894.80x = 47,220,034.20 × 20,943,062.80
  4. Step 4: Simplify right side
    31,559,894.80x = 988,932,141,668,747.88
  5. Step 5: Solve for x
    x = 988,932,141,668,747.88/31,559,894.80
  6. Step 6: Final answer
    x = 31,335,089.93

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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.