Home / 18,215,016.12-25,136,746.74-10,479,903.30

Finding the Fourth Proportional to 18,215,016.12, 25,136,746.74 and 10,479,903.30

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Solution

The fourth proportional to 18,215,016.12, 25,136,746.74 and 10,479,903.30 is: 14,462,280.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,215,016.12 : 25,136,746.74 = 10,479,903.30 : x
  2. Step 2: Convert to fraction form
    18,215,016.12/25,136,746.74 = 10,479,903.30/x
  3. Step 3: Cross multiply
    18,215,016.12x = 25,136,746.74 × 10,479,903.30
  4. Step 4: Simplify right side
    18,215,016.12x = 263,430,675,111,790.25
  5. Step 5: Solve for x
    x = 263,430,675,111,790.25/18,215,016.12
  6. Step 6: Final answer
    x = 14,462,280.65

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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.