Home / 12,387,368-17,094,567.84-6,954,976.64

Finding the Fourth Proportional to 12,387,368, 17,094,567.84 and 6,954,976.64

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Solution

The fourth proportional to 12,387,368, 17,094,567.84 and 6,954,976.64 is: 9,597,867.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,387,368 : 17,094,567.84 = 6,954,976.64 : x
  2. Step 2: Convert to fraction form
    12,387,368/17,094,567.84 = 6,954,976.64/x
  3. Step 3: Cross multiply
    12,387,368x = 17,094,567.84 × 6,954,976.64
  4. Step 4: Simplify right side
    12,387,368x = 118,892,319,998,095.25
  5. Step 5: Solve for x
    x = 118,892,319,998,095.25/12,387,368
  6. Step 6: Final answer
    x = 9,597,867.76

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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.