Home / 7,639,219.52-11,458,831.44-1,959,443.76

Finding the Fourth Proportional to 7,639,219.52, 11,458,831.44 and 1,959,443.76

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Solution

The fourth proportional to 7,639,219.52, 11,458,831.44 and 1,959,443.76 is: 2,939,166.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,639,219.52 : 11,458,831.44 = 1,959,443.76 : x
  2. Step 2: Convert to fraction form
    7,639,219.52/11,458,831.44 = 1,959,443.76/x
  3. Step 3: Cross multiply
    7,639,219.52x = 11,458,831.44 × 1,959,443.76
  4. Step 4: Simplify right side
    7,639,219.52x = 22,452,935,761,999.81
  5. Step 5: Solve for x
    x = 22,452,935,761,999.81/7,639,219.52
  6. Step 6: Final answer
    x = 2,939,166.19

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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.