Home / 18,146,670-25,042,330.08-9,886,709.04

Finding the Fourth Proportional to 18,146,670, 25,042,330.08 and 9,886,709.04

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Solution

The fourth proportional to 18,146,670, 25,042,330.08 and 9,886,709.04 is: 13,643,617.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,146,670 : 25,042,330.08 = 9,886,709.04 : x
  2. Step 2: Convert to fraction form
    18,146,670/25,042,330.08 = 9,886,709.04/x
  3. Step 3: Cross multiply
    18,146,670x = 25,042,330.08 × 9,886,709.04
  4. Step 4: Simplify right side
    18,146,670x = 247,586,231,184,599.88
  5. Step 5: Solve for x
    x = 247,586,231,184,599.88/18,146,670
  6. Step 6: Final answer
    x = 13,643,617.88

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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.