Home / 13,203,273.60-19,781,290.80-8,148,679.20

Finding the Fourth Proportional to 13,203,273.60, 19,781,290.80 and 8,148,679.20

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Solution

The fourth proportional to 13,203,273.60, 19,781,290.80 and 8,148,679.20 is: 12,208,441.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,203,273.60 : 19,781,290.80 = 8,148,679.20 : x
  2. Step 2: Convert to fraction form
    13,203,273.60/19,781,290.80 = 8,148,679.20/x
  3. Step 3: Cross multiply
    13,203,273.60x = 19,781,290.80 × 8,148,679.20
  4. Step 4: Simplify right side
    13,203,273.60x = 161,191,392,891,111.38
  5. Step 5: Solve for x
    x = 161,191,392,891,111.38/13,203,273.60
  6. Step 6: Final answer
    x = 12,208,441.46

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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.