Home / 7,909,956-10,915,739.28-4,288,284

Finding the Fourth Proportional to 7,909,956, 10,915,739.28 and 4,288,284

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Solution

The fourth proportional to 7,909,956, 10,915,739.28 and 4,288,284 is: 5,917,831.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,909,956 : 10,915,739.28 = 4,288,284 : x
  2. Step 2: Convert to fraction form
    7,909,956/10,915,739.28 = 4,288,284/x
  3. Step 3: Cross multiply
    7,909,956x = 10,915,739.28 × 4,288,284
  4. Step 4: Simplify right side
    7,909,956x = 46,809,790,102,595.52
  5. Step 5: Solve for x
    x = 46,809,790,102,595.52/7,909,956
  6. Step 6: Final answer
    x = 5,917,831.92

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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.