Home / 6,313,763.48-8,715,362.98-4,138,446.76

Finding the Fourth Proportional to 6,313,763.48, 8,715,362.98 and 4,138,446.76

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Solution

The fourth proportional to 6,313,763.48, 8,715,362.98 and 4,138,446.76 is: 5,712,609.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,313,763.48 : 8,715,362.98 = 4,138,446.76 : x
  2. Step 2: Convert to fraction form
    6,313,763.48/8,715,362.98 = 4,138,446.76/x
  3. Step 3: Cross multiply
    6,313,763.48x = 8,715,362.98 × 4,138,446.76
  4. Step 4: Simplify right side
    6,313,763.48x = 36,068,065,686,804.95
  5. Step 5: Solve for x
    x = 36,068,065,686,804.95/6,313,763.48
  6. Step 6: Final answer
    x = 5,712,609.57

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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.