Home / 7,353,418.60-10,126,815.78-5,312,996.20

Finding the Fourth Proportional to 7,353,418.60, 10,126,815.78 and 5,312,996.20

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Solution

The fourth proportional to 7,353,418.60, 10,126,815.78 and 5,312,996.20 is: 7,316,832.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,353,418.60 : 10,126,815.78 = 5,312,996.20 : x
  2. Step 2: Convert to fraction form
    7,353,418.60/10,126,815.78 = 5,312,996.20/x
  3. Step 3: Cross multiply
    7,353,418.60x = 10,126,815.78 × 5,312,996.20
  4. Step 4: Simplify right side
    7,353,418.60x = 53,803,733,757,240.03
  5. Step 5: Solve for x
    x = 53,803,733,757,240.03/7,353,418.60
  6. Step 6: Final answer
    x = 7,316,832.71

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1.5x scale

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.