Home / 15,231,533.52-21,015,911-8,616,274.06

Finding the Fourth Proportional to 15,231,533.52, 21,015,911 and 8,616,274.06

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Solution

The fourth proportional to 15,231,533.52, 21,015,911 and 8,616,274.06 is: 11,888,418.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,231,533.52 : 21,015,911 = 8,616,274.06 : x
  2. Step 2: Convert to fraction form
    15,231,533.52/21,015,911 = 8,616,274.06/x
  3. Step 3: Cross multiply
    15,231,533.52x = 21,015,911 × 8,616,274.06
  4. Step 4: Simplify right side
    15,231,533.52x = 181,078,848,796,568.66
  5. Step 5: Solve for x
    x = 181,078,848,796,568.66/15,231,533.52
  6. Step 6: Final answer
    x = 11,888,418.76

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1.5x scale

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.