Home / 12,162,980.16-16,785,061.92-6,730,977.60

Finding the Fourth Proportional to 12,162,980.16, 16,785,061.92 and 6,730,977.60

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Solution

The fourth proportional to 12,162,980.16, 16,785,061.92 and 6,730,977.60 is: 9,288,831.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,162,980.16 : 16,785,061.92 = 6,730,977.60 : x
  2. Step 2: Convert to fraction form
    12,162,980.16/16,785,061.92 = 6,730,977.60/x
  3. Step 3: Cross multiply
    12,162,980.16x = 16,785,061.92 × 6,730,977.60
  4. Step 4: Simplify right side
    12,162,980.16x = 112,979,875,798,133
  5. Step 5: Solve for x
    x = 112,979,875,798,133/12,162,980.16
  6. Step 6: Final answer
    x = 9,288,831.71

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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.