Home / 19,155,287.20-26,434,853.20-10,454,019.36

Finding the Fourth Proportional to 19,155,287.20, 26,434,853.20 and 10,454,019.36

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Solution

The fourth proportional to 19,155,287.20, 26,434,853.20 and 10,454,019.36 is: 14,426,850.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,155,287.20 : 26,434,853.20 = 10,454,019.36 : x
  2. Step 2: Convert to fraction form
    19,155,287.20/26,434,853.20 = 10,454,019.36/x
  3. Step 3: Cross multiply
    19,155,287.20x = 26,434,853.20 × 10,454,019.36
  4. Step 4: Simplify right side
    19,155,287.20x = 276,350,467,131,557.94
  5. Step 5: Solve for x
    x = 276,350,467,131,557.94/19,155,287.20
  6. Step 6: Final answer
    x = 14,426,850.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.