Home / 40,564,602.10-55,979,200.10-21,979,727.56

Finding the Fourth Proportional to 40,564,602.10, 55,979,200.10 and 21,979,727.56

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Solution

The fourth proportional to 40,564,602.10, 55,979,200.10 and 21,979,727.56 is: 30,332,050.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,564,602.10 : 55,979,200.10 = 21,979,727.56 : x
  2. Step 2: Convert to fraction form
    40,564,602.10/55,979,200.10 = 21,979,727.56/x
  3. Step 3: Cross multiply
    40,564,602.10x = 55,979,200.10 × 21,979,727.56
  4. Step 4: Simplify right side
    40,564,602.10x = 1,230,407,567,224,724.75
  5. Step 5: Solve for x
    x = 1,230,407,567,224,724.75/40,564,602.10
  6. Step 6: Final answer
    x = 30,332,050.69

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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.