Home / 12,804,906.90-19,221,357.15-8,018,001.30

Finding the Fourth Proportional to 12,804,906.90, 19,221,357.15 and 8,018,001.30

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Solution

The fourth proportional to 12,804,906.90, 19,221,357.15 and 8,018,001.30 is: 12,035,766.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,804,906.90 : 19,221,357.15 = 8,018,001.30 : x
  2. Step 2: Convert to fraction form
    12,804,906.90/19,221,357.15 = 8,018,001.30/x
  3. Step 3: Cross multiply
    12,804,906.90x = 19,221,357.15 × 8,018,001.30
  4. Step 4: Simplify right side
    12,804,906.90x = 154,116,866,616,464.28
  5. Step 5: Solve for x
    x = 154,116,866,616,464.28/12,804,906.90
  6. Step 6: Final answer
    x = 12,035,766.27

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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.