Home / 13,293,753.60-19,940,630.40-13,209,772.80

Finding the Fourth Proportional to 13,293,753.60, 19,940,630.40 and 13,209,772.80

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Solution

The fourth proportional to 13,293,753.60, 19,940,630.40 and 13,209,772.80 is: 19,814,659.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,293,753.60 : 19,940,630.40 = 13,209,772.80 : x
  2. Step 2: Convert to fraction form
    13,293,753.60/19,940,630.40 = 13,209,772.80/x
  3. Step 3: Cross multiply
    13,293,753.60x = 19,940,630.40 × 13,209,772.80
  4. Step 4: Simplify right side
    13,293,753.60x = 263,411,197,072,773.12
  5. Step 5: Solve for x
    x = 263,411,197,072,773.12/13,293,753.60
  6. Step 6: Final answer
    x = 19,814,659.20

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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.