Home / 13,232,116.80-19,848,175.20-13,120,142.40

Finding the Fourth Proportional to 13,232,116.80, 19,848,175.20 and 13,120,142.40

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Solution

The fourth proportional to 13,232,116.80, 19,848,175.20 and 13,120,142.40 is: 19,680,213.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,232,116.80 : 19,848,175.20 = 13,120,142.40 : x
  2. Step 2: Convert to fraction form
    13,232,116.80/19,848,175.20 = 13,120,142.40/x
  3. Step 3: Cross multiply
    13,232,116.80x = 19,848,175.20 × 13,120,142.40
  4. Step 4: Simplify right side
    13,232,116.80x = 260,410,885,004,148.47
  5. Step 5: Solve for x
    x = 260,410,885,004,148.47/13,232,116.80
  6. Step 6: Final answer
    x = 19,680,213.60

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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.