Home / 7,312,178.45-10,090,682.60-4,048,923.12

Finding the Fourth Proportional to 7,312,178.45, 10,090,682.60 and 4,048,923.12

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Solution

The fourth proportional to 7,312,178.45, 10,090,682.60 and 4,048,923.12 is: 5,587,445.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,312,178.45 : 10,090,682.60 = 4,048,923.12 : x
  2. Step 2: Convert to fraction form
    7,312,178.45/10,090,682.60 = 4,048,923.12/x
  3. Step 3: Cross multiply
    7,312,178.45x = 10,090,682.60 × 4,048,923.12
  4. Step 4: Simplify right side
    7,312,178.45x = 40,856,398,055,477.10
  5. Step 5: Solve for x
    x = 40,856,398,055,477.10/7,312,178.45
  6. Step 6: Final answer
    x = 5,587,445.43

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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.