Home / 14,123,870.94-19,489,865.62-7,927,720.40

Finding the Fourth Proportional to 14,123,870.94, 19,489,865.62 and 7,927,720.40

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Solution

The fourth proportional to 14,123,870.94, 19,489,865.62 and 7,927,720.40 is: 10,939,650.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,123,870.94 : 19,489,865.62 = 7,927,720.40 : x
  2. Step 2: Convert to fraction form
    14,123,870.94/19,489,865.62 = 7,927,720.40/x
  3. Step 3: Cross multiply
    14,123,870.94x = 19,489,865.62 × 7,927,720.40
  4. Step 4: Simplify right side
    14,123,870.94x = 154,510,205,268,932.66
  5. Step 5: Solve for x
    x = 154,510,205,268,932.66/14,123,870.94
  6. Step 6: Final answer
    x = 10,939,650.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.