Home / 12,129,822.84-16,733,114.28-7,231,597.32

Finding the Fourth Proportional to 12,129,822.84, 16,733,114.28 and 7,231,597.32

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Solution

The fourth proportional to 12,129,822.84, 16,733,114.28 and 7,231,597.32 is: 9,976,002.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,129,822.84 : 16,733,114.28 = 7,231,597.32 : x
  2. Step 2: Convert to fraction form
    12,129,822.84/16,733,114.28 = 7,231,597.32/x
  3. Step 3: Cross multiply
    12,129,822.84x = 16,733,114.28 × 7,231,597.32
  4. Step 4: Simplify right side
    12,129,822.84x = 121,007,144,382,501.73
  5. Step 5: Solve for x
    x = 121,007,144,382,501.73/12,129,822.84
  6. Step 6: Final answer
    x = 9,976,002.62

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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.