Home / 13,604,001.12-18,772,132.32-8,376,179.04

Finding the Fourth Proportional to 13,604,001.12, 18,772,132.32 and 8,376,179.04

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Solution

The fourth proportional to 13,604,001.12, 18,772,132.32 and 8,376,179.04 is: 11,558,271.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,604,001.12 : 18,772,132.32 = 8,376,179.04 : x
  2. Step 2: Convert to fraction form
    13,604,001.12/18,772,132.32 = 8,376,179.04/x
  3. Step 3: Cross multiply
    13,604,001.12x = 18,772,132.32 × 8,376,179.04
  4. Step 4: Simplify right side
    13,604,001.12x = 157,238,741,274,890.56
  5. Step 5: Solve for x
    x = 157,238,741,274,890.56/13,604,001.12
  6. Step 6: Final answer
    x = 11,558,271.71

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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.