Home / 11,021,654.40-16,502,990.40-7,010,851.20

Finding the Fourth Proportional to 11,021,654.40, 16,502,990.40 and 7,010,851.20

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Solution

The fourth proportional to 11,021,654.40, 16,502,990.40 and 7,010,851.20 is: 10,497,517.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,021,654.40 : 16,502,990.40 = 7,010,851.20 : x
  2. Step 2: Convert to fraction form
    11,021,654.40/16,502,990.40 = 7,010,851.20/x
  3. Step 3: Cross multiply
    11,021,654.40x = 16,502,990.40 × 7,010,851.20
  4. Step 4: Simplify right side
    11,021,654.40x = 115,700,010,049,428.48
  5. Step 5: Solve for x
    x = 115,700,010,049,428.48/11,021,654.40
  6. Step 6: Final answer
    x = 10,497,517.51

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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.