Home / 18,162,673.96-25,064,686.08-9,902,669.22

Finding the Fourth Proportional to 18,162,673.96, 25,064,686.08 and 9,902,669.22

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Solution

The fourth proportional to 18,162,673.96, 25,064,686.08 and 9,902,669.22 is: 13,665,790.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,162,673.96 : 25,064,686.08 = 9,902,669.22 : x
  2. Step 2: Convert to fraction form
    18,162,673.96/25,064,686.08 = 9,902,669.22/x
  3. Step 3: Cross multiply
    18,162,673.96x = 25,064,686.08 × 9,902,669.22
  4. Step 4: Simplify right side
    18,162,673.96x = 248,207,295,353,378.47
  5. Step 5: Solve for x
    x = 248,207,295,353,378.47/18,162,673.96
  6. Step 6: Final answer
    x = 13,665,790.40

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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.