Home / 51,984,678.66-71,738,873.49-28,464,705.87

Finding the Fourth Proportional to 51,984,678.66, 71,738,873.49 and 28,464,705.87

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Solution

The fourth proportional to 51,984,678.66, 71,738,873.49 and 28,464,705.87 is: 39,281,303.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,984,678.66 : 71,738,873.49 = 28,464,705.87 : x
  2. Step 2: Convert to fraction form
    51,984,678.66/71,738,873.49 = 28,464,705.87/x
  3. Step 3: Cross multiply
    51,984,678.66x = 71,738,873.49 × 28,464,705.87
  4. Step 4: Simplify right side
    51,984,678.66x = 2,042,025,933,337,990.25
  5. Step 5: Solve for x
    x = 2,042,025,933,337,990.25/51,984,678.66
  6. Step 6: Final answer
    x = 39,281,303.38

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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.