Home / 20,230,667.16-27,920,877.66-13,267,203.11

Finding the Fourth Proportional to 20,230,667.16, 27,920,877.66 and 13,267,203.11

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Solution

The fourth proportional to 20,230,667.16, 27,920,877.66 and 13,267,203.11 is: 18,310,417.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,230,667.16 : 27,920,877.66 = 13,267,203.11 : x
  2. Step 2: Convert to fraction form
    20,230,667.16/27,920,877.66 = 13,267,203.11/x
  3. Step 3: Cross multiply
    20,230,667.16x = 27,920,877.66 × 13,267,203.11
  4. Step 4: Simplify right side
    20,230,667.16x = 370,431,955,059,280
  5. Step 5: Solve for x
    x = 370,431,955,059,280/20,230,667.16
  6. Step 6: Final answer
    x = 18,310,417.16

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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.