Home / 13,168,606.08-18,169,171.92-9,039,900

Finding the Fourth Proportional to 13,168,606.08, 18,169,171.92 and 9,039,900

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Solution

The fourth proportional to 13,168,606.08, 18,169,171.92 and 9,039,900 is: 12,472,656.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,168,606.08 : 18,169,171.92 = 9,039,900 : x
  2. Step 2: Convert to fraction form
    13,168,606.08/18,169,171.92 = 9,039,900/x
  3. Step 3: Cross multiply
    13,168,606.08x = 18,169,171.92 × 9,039,900
  4. Step 4: Simplify right side
    13,168,606.08x = 164,247,497,239,608.03
  5. Step 5: Solve for x
    x = 164,247,497,239,608.03/13,168,606.08
  6. Step 6: Final answer
    x = 12,472,656.27

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1.5x scale

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.