Home / 7,726,628.50-10,662,213.60-4,288,598.86

Finding the Fourth Proportional to 7,726,628.50, 10,662,213.60 and 4,288,598.86

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Solution

The fourth proportional to 7,726,628.50, 10,662,213.60 and 4,288,598.86 is: 5,917,970.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,726,628.50 : 10,662,213.60 = 4,288,598.86 : x
  2. Step 2: Convert to fraction form
    7,726,628.50/10,662,213.60 = 4,288,598.86/x
  3. Step 3: Cross multiply
    7,726,628.50x = 10,662,213.60 × 4,288,598.86
  4. Step 4: Simplify right side
    7,726,628.50x = 45,725,957,090,036.50
  5. Step 5: Solve for x
    x = 45,725,957,090,036.50/7,726,628.50
  6. Step 6: Final answer
    x = 5,917,970.18

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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.