Home / 13,232,031.80-19,848,047.70-12,672,159.80

Finding the Fourth Proportional to 13,232,031.80, 19,848,047.70 and 12,672,159.80

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Solution

The fourth proportional to 13,232,031.80, 19,848,047.70 and 12,672,159.80 is: 19,008,239.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,232,031.80 : 19,848,047.70 = 12,672,159.80 : x
  2. Step 2: Convert to fraction form
    13,232,031.80/19,848,047.70 = 12,672,159.80/x
  3. Step 3: Cross multiply
    13,232,031.80x = 19,848,047.70 × 12,672,159.80
  4. Step 4: Simplify right side
    13,232,031.80x = 251,517,632,172,422.47
  5. Step 5: Solve for x
    x = 251,517,632,172,422.47/13,232,031.80
  6. Step 6: Final answer
    x = 19,008,239.70

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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.