Home / 20,160,931.30-30,222,043.35-6,690,825.70

Finding the Fourth Proportional to 20,160,931.30, 30,222,043.35 and 6,690,825.70

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Solution

The fourth proportional to 20,160,931.30, 30,222,043.35 and 6,690,825.70 is: 10,029,815.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,160,931.30 : 30,222,043.35 = 6,690,825.70 : x
  2. Step 2: Convert to fraction form
    20,160,931.30/30,222,043.35 = 6,690,825.70/x
  3. Step 3: Cross multiply
    20,160,931.30x = 30,222,043.35 × 6,690,825.70
  4. Step 4: Simplify right side
    20,160,931.30x = 202,210,424,352,694.12
  5. Step 5: Solve for x
    x = 202,210,424,352,694.12/20,160,931.30
  6. Step 6: Final answer
    x = 10,029,815.65

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1.5x scale

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.