Home / 7,421,012.16-11,138,701.32-3,585,532.56

Finding the Fourth Proportional to 7,421,012.16, 11,138,701.32 and 3,585,532.56

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Solution

The fourth proportional to 7,421,012.16, 11,138,701.32 and 3,585,532.56 is: 5,381,769.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,421,012.16 : 11,138,701.32 = 3,585,532.56 : x
  2. Step 2: Convert to fraction form
    7,421,012.16/11,138,701.32 = 3,585,532.56/x
  3. Step 3: Cross multiply
    7,421,012.16x = 11,138,701.32 × 3,585,532.56
  4. Step 4: Simplify right side
    7,421,012.16x = 39,938,176,258,974.98
  5. Step 5: Solve for x
    x = 39,938,176,258,974.98/7,421,012.16
  6. Step 6: Final answer
    x = 5,381,769.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.