Home / 12,949,475.20-19,424,212.80-6,902,857.60

Finding the Fourth Proportional to 12,949,475.20, 19,424,212.80 and 6,902,857.60

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Solution

The fourth proportional to 12,949,475.20, 19,424,212.80 and 6,902,857.60 is: 10,354,286.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,949,475.20 : 19,424,212.80 = 6,902,857.60 : x
  2. Step 2: Convert to fraction form
    12,949,475.20/19,424,212.80 = 6,902,857.60/x
  3. Step 3: Cross multiply
    12,949,475.20x = 19,424,212.80 × 6,902,857.60
  4. Step 4: Simplify right side
    12,949,475.20x = 134,082,574,950,497.28
  5. Step 5: Solve for x
    x = 134,082,574,950,497.28/12,949,475.20
  6. Step 6: Final answer
    x = 10,354,286.40

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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.