Home / 7,456,398.78-10,289,732.52-4,193,212.50

Finding the Fourth Proportional to 7,456,398.78, 10,289,732.52 and 4,193,212.50

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Solution

The fourth proportional to 7,456,398.78, 10,289,732.52 and 4,193,212.50 is: 5,786,578.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,456,398.78 : 10,289,732.52 = 4,193,212.50 : x
  2. Step 2: Convert to fraction form
    7,456,398.78/10,289,732.52 = 4,193,212.50/x
  3. Step 3: Cross multiply
    7,456,398.78x = 10,289,732.52 × 4,193,212.50
  4. Step 4: Simplify right side
    7,456,398.78x = 43,147,035,024,520.50
  5. Step 5: Solve for x
    x = 43,147,035,024,520.50/7,456,398.78
  6. Step 6: Final answer
    x = 5,786,578.25

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1.5x scale

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.