Home / 12,114,574.70-18,171,862.05-9,962,238.65

Finding the Fourth Proportional to 12,114,574.70, 18,171,862.05 and 9,962,238.65

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Solution

The fourth proportional to 12,114,574.70, 18,171,862.05 and 9,962,238.65 is: 14,943,357.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,114,574.70 : 18,171,862.05 = 9,962,238.65 : x
  2. Step 2: Convert to fraction form
    12,114,574.70/18,171,862.05 = 9,962,238.65/x
  3. Step 3: Cross multiply
    12,114,574.70x = 18,171,862.05 × 9,962,238.65
  4. Step 4: Simplify right side
    12,114,574.70x = 181,032,426,456,978.25
  5. Step 5: Solve for x
    x = 181,032,426,456,978.25/12,114,574.70
  6. Step 6: Final answer
    x = 14,943,357.98

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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.