Home / 17,578,315.32-26,340,993.77-15,662,657.36

Finding the Fourth Proportional to 17,578,315.32, 26,340,993.77 and 15,662,657.36

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Solution

The fourth proportional to 17,578,315.32, 26,340,993.77 and 15,662,657.36 is: 23,470,392.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,578,315.32 : 26,340,993.77 = 15,662,657.36 : x
  2. Step 2: Convert to fraction form
    17,578,315.32/26,340,993.77 = 15,662,657.36/x
  3. Step 3: Cross multiply
    17,578,315.32x = 26,340,993.77 × 15,662,657.36
  4. Step 4: Simplify right side
    17,578,315.32x = 412,569,959,957,437.62
  5. Step 5: Solve for x
    x = 412,569,959,957,437.62/17,578,315.32
  6. Step 6: Final answer
    x = 23,470,392.50

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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.