Home / 13,166,999.60-19,712,008.20-9,387,863.60

Finding the Fourth Proportional to 13,166,999.60, 19,712,008.20 and 9,387,863.60

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Solution

The fourth proportional to 13,166,999.60, 19,712,008.20 and 9,387,863.60 is: 14,054,351.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,166,999.60 : 19,712,008.20 = 9,387,863.60 : x
  2. Step 2: Convert to fraction form
    13,166,999.60/19,712,008.20 = 9,387,863.60/x
  3. Step 3: Cross multiply
    13,166,999.60x = 19,712,008.20 × 9,387,863.60
  4. Step 4: Simplify right side
    13,166,999.60x = 185,053,644,263,681.50
  5. Step 5: Solve for x
    x = 185,053,644,263,681.50/13,166,999.60
  6. Step 6: Final answer
    x = 14,054,351.78

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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.