Home / 7,254,015.78-10,010,541.54-3,990,760.32

Finding the Fourth Proportional to 7,254,015.78, 10,010,541.54 and 3,990,760.32

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Solution

The fourth proportional to 7,254,015.78, 10,010,541.54 and 3,990,760.32 is: 5,507,249.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,254,015.78 : 10,010,541.54 = 3,990,760.32 : x
  2. Step 2: Convert to fraction form
    7,254,015.78/10,010,541.54 = 3,990,760.32/x
  3. Step 3: Cross multiply
    7,254,015.78x = 10,010,541.54 × 3,990,760.32
  4. Step 4: Simplify right side
    7,254,015.78x = 39,949,671,959,543.69
  5. Step 5: Solve for x
    x = 39,949,671,959,543.69/7,254,015.78
  6. Step 6: Final answer
    x = 5,507,249.11

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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.