Home / 18,547,014.49-27,785,406.51-12,380,402.07

Finding the Fourth Proportional to 18,547,014.49, 27,785,406.51 and 12,380,402.07

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Solution

The fourth proportional to 18,547,014.49, 27,785,406.51 and 12,380,402.07 is: 18,547,163.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,547,014.49 : 27,785,406.51 = 12,380,402.07 : x
  2. Step 2: Convert to fraction form
    18,547,014.49/27,785,406.51 = 12,380,402.07/x
  3. Step 3: Cross multiply
    18,547,014.49x = 27,785,406.51 × 12,380,402.07
  4. Step 4: Simplify right side
    18,547,014.49x = 343,994,504,272,195.50
  5. Step 5: Solve for x
    x = 343,994,504,272,195.50/18,547,014.49
  6. Step 6: Final answer
    x = 18,547,163.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.