Home / 30,744,025.54-42,426,753.41-16,805,439.36

Finding the Fourth Proportional to 30,744,025.54, 42,426,753.41 and 16,805,439.36

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Solution

The fourth proportional to 30,744,025.54, 42,426,753.41 and 16,805,439.36 is: 23,191,505.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,744,025.54 : 42,426,753.41 = 16,805,439.36 : x
  2. Step 2: Convert to fraction form
    30,744,025.54/42,426,753.41 = 16,805,439.36/x
  3. Step 3: Cross multiply
    30,744,025.54x = 42,426,753.41 × 16,805,439.36
  4. Step 4: Simplify right side
    30,744,025.54x = 713,000,231,715,441.88
  5. Step 5: Solve for x
    x = 713,000,231,715,441.88/30,744,025.54
  6. Step 6: Final answer
    x = 23,191,505.32

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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.