Home / 36,081,228.51-49,799,328.97-21,405,041.01

Finding the Fourth Proportional to 36,081,228.51, 49,799,328.97 and 21,405,041.01

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Solution

The fourth proportional to 36,081,228.51, 49,799,328.97 and 21,405,041.01 is: 29,543,247.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,081,228.51 : 49,799,328.97 = 21,405,041.01 : x
  2. Step 2: Convert to fraction form
    36,081,228.51/49,799,328.97 = 21,405,041.01/x
  3. Step 3: Cross multiply
    36,081,228.51x = 49,799,328.97 × 21,405,041.01
  4. Step 4: Simplify right side
    36,081,228.51x = 1,065,956,678,873,331.12
  5. Step 5: Solve for x
    x = 1,065,956,678,873,331.12/36,081,228.51
  6. Step 6: Final answer
    x = 29,543,247.91

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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.