Home / 7,254,078.50-10,010,628.34-3,990,823.40

Finding the Fourth Proportional to 7,254,078.50, 10,010,628.34 and 3,990,823.40

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Solution

The fourth proportional to 7,254,078.50, 10,010,628.34 and 3,990,823.40 is: 5,507,336.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,254,078.50 : 10,010,628.34 = 3,990,823.40 : x
  2. Step 2: Convert to fraction form
    7,254,078.50/10,010,628.34 = 3,990,823.40/x
  3. Step 3: Cross multiply
    7,254,078.50x = 10,010,628.34 × 3,990,823.40
  4. Step 4: Simplify right side
    7,254,078.50x = 39,950,649,827,975.16
  5. Step 5: Solve for x
    x = 39,950,649,827,975.16/7,254,078.50
  6. Step 6: Final answer
    x = 5,507,336.30

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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.