Home / 36,210,320.49-49,968,721.18-20,530,399.83

Finding the Fourth Proportional to 36,210,320.49, 49,968,721.18 and 20,530,399.83

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Solution

The fourth proportional to 36,210,320.49, 49,968,721.18 and 20,530,399.83 is: 28,331,089.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,210,320.49 : 49,968,721.18 = 20,530,399.83 : x
  2. Step 2: Convert to fraction form
    36,210,320.49/49,968,721.18 = 20,530,399.83/x
  3. Step 3: Cross multiply
    36,210,320.49x = 49,968,721.18 × 20,530,399.83
  4. Step 4: Simplify right side
    36,210,320.49x = 1,025,877,824,819,189.25
  5. Step 5: Solve for x
    x = 1,025,877,824,819,189.25/36,210,320.49
  6. Step 6: Final answer
    x = 28,331,089.34

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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.