Home / 12,949,348.60-19,424,022.90-11,857,598.20

Finding the Fourth Proportional to 12,949,348.60, 19,424,022.90 and 11,857,598.20

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Solution

The fourth proportional to 12,949,348.60, 19,424,022.90 and 11,857,598.20 is: 17,786,397.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,949,348.60 : 19,424,022.90 = 11,857,598.20 : x
  2. Step 2: Convert to fraction form
    12,949,348.60/19,424,022.90 = 11,857,598.20/x
  3. Step 3: Cross multiply
    12,949,348.60x = 19,424,022.90 × 11,857,598.20
  4. Step 4: Simplify right side
    12,949,348.60x = 230,322,258,975,798.75
  5. Step 5: Solve for x
    x = 230,322,258,975,798.75/12,949,348.60
  6. Step 6: Final answer
    x = 17,786,397.30

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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.