Home / 21,012,967.80-31,494,957.30-9,654,564.60

Finding the Fourth Proportional to 21,012,967.80, 31,494,957.30 and 9,654,564.60

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Solution

The fourth proportional to 21,012,967.80, 31,494,957.30 and 9,654,564.60 is: 14,470,592.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,012,967.80 : 31,494,957.30 = 9,654,564.60 : x
  2. Step 2: Convert to fraction form
    21,012,967.80/31,494,957.30 = 9,654,564.60/x
  3. Step 3: Cross multiply
    21,012,967.80x = 31,494,957.30 × 9,654,564.60
  4. Step 4: Simplify right side
    21,012,967.80x = 304,070,099,827,091.56
  5. Step 5: Solve for x
    x = 304,070,099,827,091.56/21,012,967.80
  6. Step 6: Final answer
    x = 14,470,592.77

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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.