Home / 43,072,667.54-64,555,118.46-21,513,287.15

Finding the Fourth Proportional to 43,072,667.54, 64,555,118.46 and 21,513,287.15

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Solution

The fourth proportional to 43,072,667.54, 64,555,118.46 and 21,513,287.15 is: 32,243,018.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,072,667.54 : 64,555,118.46 = 21,513,287.15 : x
  2. Step 2: Convert to fraction form
    43,072,667.54/64,555,118.46 = 21,513,287.15/x
  3. Step 3: Cross multiply
    43,072,667.54x = 64,555,118.46 × 21,513,287.15
  4. Step 4: Simplify right side
    43,072,667.54x = 1,388,792,800,432,245.75
  5. Step 5: Solve for x
    x = 1,388,792,800,432,245.75/43,072,667.54
  6. Step 6: Final answer
    x = 32,243,018.13

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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.