Home / 13,213,159.80-18,517,319.40-13,213,159.80

Finding the Fourth Proportional to 13,213,159.80, 18,517,319.40 and 13,213,159.80

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Solution

The fourth proportional to 13,213,159.80, 18,517,319.40 and 13,213,159.80 is: 18,517,319.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,213,159.80 : 18,517,319.40 = 13,213,159.80 : x
  2. Step 2: Convert to fraction form
    13,213,159.80/18,517,319.40 = 13,213,159.80/x
  3. Step 3: Cross multiply
    13,213,159.80x = 18,517,319.40 × 13,213,159.80
  4. Step 4: Simplify right side
    13,213,159.80x = 244,672,300,299,840.12
  5. Step 5: Solve for x
    x = 244,672,300,299,840.12/13,213,159.80
  6. Step 6: Final answer
    x = 18,517,319.40

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.