Home / 7,255,536.90-10,012,340.72-3,947,844.74

Finding the Fourth Proportional to 7,255,536.90, 10,012,340.72 and 3,947,844.74

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Solution

The fourth proportional to 7,255,536.90, 10,012,340.72 and 3,947,844.74 is: 5,447,862.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,255,536.90 : 10,012,340.72 = 3,947,844.74 : x
  2. Step 2: Convert to fraction form
    7,255,536.90/10,012,340.72 = 3,947,844.74/x
  3. Step 3: Cross multiply
    7,255,536.90x = 10,012,340.72 × 3,947,844.74
  4. Step 4: Simplify right side
    7,255,536.90x = 39,527,166,646,539.82
  5. Step 5: Solve for x
    x = 39,527,166,646,539.82/7,255,536.90
  6. Step 6: Final answer
    x = 5,447,862.40

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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.