Home / 40,500,812.72-55,891,269.69-21,915,953.00

Finding the Fourth Proportional to 40,500,812.72, 55,891,269.69 and 21,915,953.00

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Solution

The fourth proportional to 40,500,812.72, 55,891,269.69 and 21,915,953.00 is: 30,244,095.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,500,812.72 : 55,891,269.69 = 21,915,953.00 : x
  2. Step 2: Convert to fraction form
    40,500,812.72/55,891,269.69 = 21,915,953.00/x
  3. Step 3: Cross multiply
    40,500,812.72x = 55,891,269.69 × 21,915,953.00
  4. Step 4: Simplify right side
    40,500,812.72x = 1,224,910,439,566,500.50
  5. Step 5: Solve for x
    x = 1,224,910,439,566,500.50/40,500,812.72
  6. Step 6: Final answer
    x = 30,244,095.30

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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.