Home / 7,772,983.78-10,726,657.58-4,288,469.40

Finding the Fourth Proportional to 7,772,983.78, 10,726,657.58 and 4,288,469.40

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Solution

The fourth proportional to 7,772,983.78, 10,726,657.58 and 4,288,469.40 is: 5,918,054.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,772,983.78 : 10,726,657.58 = 4,288,469.40 : x
  2. Step 2: Convert to fraction form
    7,772,983.78/10,726,657.58 = 4,288,469.40/x
  3. Step 3: Cross multiply
    7,772,983.78x = 10,726,657.58 × 4,288,469.40
  4. Step 4: Simplify right side
    7,772,983.78x = 46,000,942,796,108.05
  5. Step 5: Solve for x
    x = 46,000,942,796,108.05/7,772,983.78
  6. Step 6: Final answer
    x = 5,918,054.65

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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.