Home / 10,856,831.09-16,288,398.34-4,376,561.76

Finding the Fourth Proportional to 10,856,831.09, 16,288,398.34 and 4,376,561.76

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Solution

The fourth proportional to 10,856,831.09, 16,288,398.34 and 4,376,561.76 is: 6,566,113.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,856,831.09 : 16,288,398.34 = 4,376,561.76 : x
  2. Step 2: Convert to fraction form
    10,856,831.09/16,288,398.34 = 4,376,561.76/x
  3. Step 3: Cross multiply
    10,856,831.09x = 16,288,398.34 × 4,376,561.76
  4. Step 4: Simplify right side
    10,856,831.09x = 71,287,181,295,550.08
  5. Step 5: Solve for x
    x = 71,287,181,295,550.08/10,856,831.09
  6. Step 6: Final answer
    x = 6,566,113.14

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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.