Home / 13,203,274.60-19,781,292.30-8,148,680.20

Finding the Fourth Proportional to 13,203,274.60, 19,781,292.30 and 8,148,680.20

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Solution

The fourth proportional to 13,203,274.60, 19,781,292.30 and 8,148,680.20 is: 12,208,442.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,203,274.60 : 19,781,292.30 = 8,148,680.20 : x
  2. Step 2: Convert to fraction form
    13,203,274.60/19,781,292.30 = 8,148,680.20/x
  3. Step 3: Cross multiply
    13,203,274.60x = 19,781,292.30 × 8,148,680.20
  4. Step 4: Simplify right side
    13,203,274.60x = 161,191,424,895,422.47
  5. Step 5: Solve for x
    x = 161,191,424,895,422.47/13,203,274.60
  6. Step 6: Final answer
    x = 12,208,442.96

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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.