Home / 20,160,903.55-30,222,001.72-6,690,797.95

Finding the Fourth Proportional to 20,160,903.55, 30,222,001.72 and 6,690,797.95

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Solution

The fourth proportional to 20,160,903.55, 30,222,001.72 and 6,690,797.95 is: 10,029,774.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,160,903.55 : 30,222,001.72 = 6,690,797.95 : x
  2. Step 2: Convert to fraction form
    20,160,903.55/30,222,001.72 = 6,690,797.95/x
  3. Step 3: Cross multiply
    20,160,903.55x = 30,222,001.72 × 6,690,797.95
  4. Step 4: Simplify right side
    20,160,903.55x = 202,209,307,153,072.47
  5. Step 5: Solve for x
    x = 202,209,307,153,072.47/20,160,903.55
  6. Step 6: Final answer
    x = 10,029,774.05

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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.