Home / 12,804,908.40-19,221,359.40-8,018,002.80

Finding the Fourth Proportional to 12,804,908.40, 19,221,359.40 and 8,018,002.80

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Solution

The fourth proportional to 12,804,908.40, 19,221,359.40 and 8,018,002.80 is: 12,035,768.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,804,908.40 : 19,221,359.40 = 8,018,002.80 : x
  2. Step 2: Convert to fraction form
    12,804,908.40/19,221,359.40 = 8,018,002.80/x
  3. Step 3: Cross multiply
    12,804,908.40x = 19,221,359.40 × 8,018,002.80
  4. Step 4: Simplify right side
    12,804,908.40x = 154,116,913,489,006.31
  5. Step 5: Solve for x
    x = 154,116,913,489,006.31/12,804,908.40
  6. Step 6: Final answer
    x = 12,035,768.53

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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.