Home / 9,965,111.70-13,751,854.07-5,381,432.67

Finding the Fourth Proportional to 9,965,111.70, 13,751,854.07 and 5,381,432.67

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Solution

The fourth proportional to 9,965,111.70, 13,751,854.07 and 5,381,432.67 is: 7,426,377.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,965,111.70 : 13,751,854.07 = 5,381,432.67 : x
  2. Step 2: Convert to fraction form
    9,965,111.70/13,751,854.07 = 5,381,432.67/x
  3. Step 3: Cross multiply
    9,965,111.70x = 13,751,854.07 × 5,381,432.67
  4. Step 4: Simplify right side
    9,965,111.70x = 74,004,676,738,463.30
  5. Step 5: Solve for x
    x = 74,004,676,738,463.30/9,965,111.70
  6. Step 6: Final answer
    x = 7,426,377.04

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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.