Home / 12,285,959.40-18,428,939.10-12,046,810.95

Finding the Fourth Proportional to 12,285,959.40, 18,428,939.10 and 12,046,810.95

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Solution

The fourth proportional to 12,285,959.40, 18,428,939.10 and 12,046,810.95 is: 18,070,216.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,285,959.40 : 18,428,939.10 = 12,046,810.95 : x
  2. Step 2: Convert to fraction form
    12,285,959.40/18,428,939.10 = 12,046,810.95/x
  3. Step 3: Cross multiply
    12,285,959.40x = 18,428,939.10 × 12,046,810.95
  4. Step 4: Simplify right side
    12,285,959.40x = 222,009,945,346,763.16
  5. Step 5: Solve for x
    x = 222,009,945,346,763.16/12,285,959.40
  6. Step 6: Final answer
    x = 18,070,216.43

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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.