Home / 12,176,718.77-18,262,794.63-6,109,821.53

Finding the Fourth Proportional to 12,176,718.77, 18,262,794.63 and 6,109,821.53

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Solution

The fourth proportional to 12,176,718.77, 18,262,794.63 and 6,109,821.53 is: 9,163,586.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,176,718.77 : 18,262,794.63 = 6,109,821.53 : x
  2. Step 2: Convert to fraction form
    12,176,718.77/18,262,794.63 = 6,109,821.53/x
  3. Step 3: Cross multiply
    12,176,718.77x = 18,262,794.63 × 6,109,821.53
  4. Step 4: Simplify right side
    12,176,718.77x = 111,582,415,828,342.38
  5. Step 5: Solve for x
    x = 111,582,415,828,342.38/12,176,718.77
  6. Step 6: Final answer
    x = 9,163,586.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.