Home / 7,312,392.96-10,090,978.32-4,049,137.92

Finding the Fourth Proportional to 7,312,392.96, 10,090,978.32 and 4,049,137.92

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Solution

The fourth proportional to 7,312,392.96, 10,090,978.32 and 4,049,137.92 is: 5,587,741.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,312,392.96 : 10,090,978.32 = 4,049,137.92 : x
  2. Step 2: Convert to fraction form
    7,312,392.96/10,090,978.32 = 4,049,137.92/x
  3. Step 3: Cross multiply
    7,312,392.96x = 10,090,978.32 × 4,049,137.92
  4. Step 4: Simplify right side
    7,312,392.96x = 40,859,762,965,409.90
  5. Step 5: Solve for x
    x = 40,859,762,965,409.90/7,312,392.96
  6. Step 6: Final answer
    x = 5,587,741.69

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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.