Home / 6,920,573.31-10,360,418.81-5,111,441.55

Finding the Fourth Proportional to 6,920,573.31, 10,360,418.81 and 5,111,441.55

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Solution

The fourth proportional to 6,920,573.31, 10,360,418.81 and 5,111,441.55 is: 7,652,064.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,920,573.31 : 10,360,418.81 = 5,111,441.55 : x
  2. Step 2: Convert to fraction form
    6,920,573.31/10,360,418.81 = 5,111,441.55/x
  3. Step 3: Cross multiply
    6,920,573.31x = 10,360,418.81 × 5,111,441.55
  4. Step 4: Simplify right side
    6,920,573.31x = 52,956,675,155,278.34
  5. Step 5: Solve for x
    x = 52,956,675,155,278.34/6,920,573.31
  6. Step 6: Final answer
    x = 7,652,064.76

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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.