Home / 28,456,979.24-42,659,313.14-10,256,720.16

Finding the Fourth Proportional to 28,456,979.24, 42,659,313.14 and 10,256,720.16

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Solution

The fourth proportional to 28,456,979.24, 42,659,313.14 and 10,256,720.16 is: 15,375,652.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,456,979.24 : 42,659,313.14 = 10,256,720.16 : x
  2. Step 2: Convert to fraction form
    28,456,979.24/42,659,313.14 = 10,256,720.16/x
  3. Step 3: Cross multiply
    28,456,979.24x = 42,659,313.14 × 10,256,720.16
  4. Step 4: Simplify right side
    28,456,979.24x = 437,544,637,094,790.94
  5. Step 5: Solve for x
    x = 437,544,637,094,790.94/28,456,979.24
  6. Step 6: Final answer
    x = 15,375,652.96

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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.