Home / 25,631,216.48-38,441,924.76-7,680,320.48

Finding the Fourth Proportional to 25,631,216.48, 38,441,924.76 and 7,680,320.48

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Solution

The fourth proportional to 25,631,216.48, 38,441,924.76 and 7,680,320.48 is: 11,519,012.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,631,216.48 : 38,441,924.76 = 7,680,320.48 : x
  2. Step 2: Convert to fraction form
    25,631,216.48/38,441,924.76 = 7,680,320.48/x
  3. Step 3: Cross multiply
    25,631,216.48x = 38,441,924.76 × 7,680,320.48
  4. Step 4: Simplify right side
    25,631,216.48x = 295,246,302,024,847.06
  5. Step 5: Solve for x
    x = 295,246,302,024,847.06/25,631,216.48
  6. Step 6: Final answer
    x = 11,519,012.46

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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.