Home / 7,255,540.35-10,012,345.48-3,947,848.19

Finding the Fourth Proportional to 7,255,540.35, 10,012,345.48 and 3,947,848.19

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Solution

The fourth proportional to 7,255,540.35, 10,012,345.48 and 3,947,848.19 is: 5,447,867.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,255,540.35 : 10,012,345.48 = 3,947,848.19 : x
  2. Step 2: Convert to fraction form
    7,255,540.35/10,012,345.48 = 3,947,848.19/x
  3. Step 3: Cross multiply
    7,255,540.35x = 10,012,345.48 × 3,947,848.19
  4. Step 4: Simplify right side
    7,255,540.35x = 39,527,219,980,872.68
  5. Step 5: Solve for x
    x = 39,527,219,980,872.68/7,255,540.35
  6. Step 6: Final answer
    x = 5,447,867.16

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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.