Home / 40,464,186.36-55,840,457.88-21,879,194.01

Finding the Fourth Proportional to 40,464,186.36, 55,840,457.88 and 21,879,194.01

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Solution

The fourth proportional to 40,464,186.36, 55,840,457.88 and 21,879,194.01 is: 30,193,223.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,464,186.36 : 55,840,457.88 = 21,879,194.01 : x
  2. Step 2: Convert to fraction form
    40,464,186.36/55,840,457.88 = 21,879,194.01/x
  3. Step 3: Cross multiply
    40,464,186.36x = 55,840,457.88 × 21,879,194.01
  4. Step 4: Simplify right side
    40,464,186.36x = 1,221,744,211,563,753.50
  5. Step 5: Solve for x
    x = 1,221,744,211,563,753.50/40,464,186.36
  6. Step 6: Final answer
    x = 30,193,223.23

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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.