Home / 13,169,191.82-19,852,493.53-12,291,330.02

Finding the Fourth Proportional to 13,169,191.82, 19,852,493.53 and 12,291,330.02

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Solution

The fourth proportional to 13,169,191.82, 19,852,493.53 and 12,291,330.02 is: 18,529,121.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,169,191.82 : 19,852,493.53 = 12,291,330.02 : x
  2. Step 2: Convert to fraction form
    13,169,191.82/19,852,493.53 = 12,291,330.02/x
  3. Step 3: Cross multiply
    13,169,191.82x = 19,852,493.53 × 12,291,330.02
  4. Step 4: Simplify right side
    13,169,191.82x = 244,013,549,697,144.78
  5. Step 5: Solve for x
    x = 244,013,549,697,144.78/13,169,191.82
  6. Step 6: Final answer
    x = 18,529,121.08

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.