Home / 8,803,740.56-12,148,039.60-5,131,738.40

Finding the Fourth Proportional to 8,803,740.56, 12,148,039.60 and 5,131,738.40

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Solution

The fourth proportional to 8,803,740.56, 12,148,039.60 and 5,131,738.40 is: 7,081,144.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,803,740.56 : 12,148,039.60 = 5,131,738.40 : x
  2. Step 2: Convert to fraction form
    8,803,740.56/12,148,039.60 = 5,131,738.40/x
  3. Step 3: Cross multiply
    8,803,740.56x = 12,148,039.60 × 5,131,738.40
  4. Step 4: Simplify right side
    8,803,740.56x = 62,340,561,226,471.09
  5. Step 5: Solve for x
    x = 62,340,561,226,471.09/8,803,740.56
  6. Step 6: Final answer
    x = 7,081,144.75

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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.