Home / 5,447,538.66-7,518,420.64-4,138,636.82

Finding the Fourth Proportional to 5,447,538.66, 7,518,420.64 and 4,138,636.82

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Solution

The fourth proportional to 5,447,538.66, 7,518,420.64 and 4,138,636.82 is: 5,711,939.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,447,538.66 : 7,518,420.64 = 4,138,636.82 : x
  2. Step 2: Convert to fraction form
    5,447,538.66/7,518,420.64 = 4,138,636.82/x
  3. Step 3: Cross multiply
    5,447,538.66x = 7,518,420.64 × 4,138,636.82
  4. Step 4: Simplify right side
    5,447,538.66x = 31,116,012,488,951.96
  5. Step 5: Solve for x
    x = 31,116,012,488,951.96/5,447,538.66
  6. Step 6: Final answer
    x = 5,711,939.73

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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.