Home / 12,497,738.94-17,246,066.40-6,990,159.47

Finding the Fourth Proportional to 12,497,738.94, 17,246,066.40 and 6,990,159.47

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Solution

The fourth proportional to 12,497,738.94, 17,246,066.40 and 6,990,159.47 is: 9,645,965.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,497,738.94 : 17,246,066.40 = 6,990,159.47 : x
  2. Step 2: Convert to fraction form
    12,497,738.94/17,246,066.40 = 6,990,159.47/x
  3. Step 3: Cross multiply
    12,497,738.94x = 17,246,066.40 × 6,990,159.47
  4. Step 4: Simplify right side
    12,497,738.94x = 120,552,754,279,978.47
  5. Step 5: Solve for x
    x = 120,552,754,279,978.47/12,497,738.94
  6. Step 6: Final answer
    x = 9,645,965.15

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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.