Home / 20,657,840.67-30,988,495.65-6,281,033.01

Finding the Fourth Proportional to 20,657,840.67, 30,988,495.65 and 6,281,033.01

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Solution

The fourth proportional to 20,657,840.67, 30,988,495.65 and 6,281,033.01 is: 9,422,076.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,657,840.67 : 30,988,495.65 = 6,281,033.01 : x
  2. Step 2: Convert to fraction form
    20,657,840.67/30,988,495.65 = 6,281,033.01/x
  3. Step 3: Cross multiply
    20,657,840.67x = 30,988,495.65 × 6,281,033.01
  4. Step 4: Simplify right side
    20,657,840.67x = 194,639,764,107,891.38
  5. Step 5: Solve for x
    x = 194,639,764,107,891.38/20,657,840.67
  6. Step 6: Final answer
    x = 9,422,076.94

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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.