Home / 12,077,986.37-16,668,082.06-6,922,345.28

Finding the Fourth Proportional to 12,077,986.37, 16,668,082.06 and 6,922,345.28

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Solution

The fourth proportional to 12,077,986.37, 16,668,082.06 and 6,922,345.28 is: 9,553,100.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,077,986.37 : 16,668,082.06 = 6,922,345.28 : x
  2. Step 2: Convert to fraction form
    12,077,986.37/16,668,082.06 = 6,922,345.28/x
  3. Step 3: Cross multiply
    12,077,986.37x = 16,668,082.06 × 6,922,345.28
  4. Step 4: Simplify right side
    12,077,986.37x = 115,382,219,074,047.41
  5. Step 5: Solve for x
    x = 115,382,219,074,047.41/12,077,986.37
  6. Step 6: Final answer
    x = 9,553,100.62

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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.