Home / 28,596,533.28-39,463,496.30-15,543,784.12

Finding the Fourth Proportional to 28,596,533.28, 39,463,496.30 and 15,543,784.12

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Solution

The fourth proportional to 28,596,533.28, 39,463,496.30 and 15,543,784.12 is: 21,450,574.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,596,533.28 : 39,463,496.30 = 15,543,784.12 : x
  2. Step 2: Convert to fraction form
    28,596,533.28/39,463,496.30 = 15,543,784.12/x
  3. Step 3: Cross multiply
    28,596,533.28x = 39,463,496.30 × 15,543,784.12
  4. Step 4: Simplify right side
    28,596,533.28x = 613,412,067,107,618.62
  5. Step 5: Solve for x
    x = 613,412,067,107,618.62/28,596,533.28
  6. Step 6: Final answer
    x = 21,450,574.48

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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.