Home / 37,321,485.12-51,503,888.54-20,802,657.12

Finding the Fourth Proportional to 37,321,485.12, 51,503,888.54 and 20,802,657.12

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Solution

The fourth proportional to 37,321,485.12, 51,503,888.54 and 20,802,657.12 is: 28,707,800.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,321,485.12 : 51,503,888.54 = 20,802,657.12 : x
  2. Step 2: Convert to fraction form
    37,321,485.12/51,503,888.54 = 20,802,657.12/x
  3. Step 3: Cross multiply
    37,321,485.12x = 51,503,888.54 × 20,802,657.12
  4. Step 4: Simplify right side
    37,321,485.12x = 1,071,417,733,386,797.88
  5. Step 5: Solve for x
    x = 1,071,417,733,386,797.88/37,321,485.12
  6. Step 6: Final answer
    x = 28,707,800.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.