Home / 12,481,328.20-18,721,992.30-11,064,152.20

Finding the Fourth Proportional to 12,481,328.20, 18,721,992.30 and 11,064,152.20

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Solution

The fourth proportional to 12,481,328.20, 18,721,992.30 and 11,064,152.20 is: 16,596,228.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,481,328.20 : 18,721,992.30 = 11,064,152.20 : x
  2. Step 2: Convert to fraction form
    12,481,328.20/18,721,992.30 = 11,064,152.20/x
  3. Step 3: Cross multiply
    12,481,328.20x = 18,721,992.30 × 11,064,152.20
  4. Step 4: Simplify right side
    12,481,328.20x = 207,142,972,294,428.06
  5. Step 5: Solve for x
    x = 207,142,972,294,428.06/12,481,328.20
  6. Step 6: Final answer
    x = 16,596,228.30

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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.