Home / 18,796,089.72-28,194,159.21-5,149,356.00

Finding the Fourth Proportional to 18,796,089.72, 28,194,159.21 and 5,149,356.00

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Solution

The fourth proportional to 18,796,089.72, 28,194,159.21 and 5,149,356.00 is: 7,724,040.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,796,089.72 : 28,194,159.21 = 5,149,356.00 : x
  2. Step 2: Convert to fraction form
    18,796,089.72/28,194,159.21 = 5,149,356.00/x
  3. Step 3: Cross multiply
    18,796,089.72x = 28,194,159.21 × 5,149,356.00
  4. Step 4: Simplify right side
    18,796,089.72x = 145,181,762,767,930.56
  5. Step 5: Solve for x
    x = 145,181,762,767,930.56/18,796,089.72
  6. Step 6: Final answer
    x = 7,724,040.74

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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.