Home / 7,142,347-9,850,738.30-4,697,468.64

Finding the Fourth Proportional to 7,142,347, 9,850,738.30 and 4,697,468.64

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Solution

The fourth proportional to 7,142,347, 9,850,738.30 and 4,697,468.64 is: 6,478,757.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,142,347 : 9,850,738.30 = 4,697,468.64 : x
  2. Step 2: Convert to fraction form
    7,142,347/9,850,738.30 = 4,697,468.64/x
  3. Step 3: Cross multiply
    7,142,347x = 9,850,738.30 × 4,697,468.64
  4. Step 4: Simplify right side
    7,142,347x = 46,273,534,245,096.91
  5. Step 5: Solve for x
    x = 46,273,534,245,096.91/7,142,347
  6. Step 6: Final answer
    x = 6,478,757.51

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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.