Home / 25,895,790.40-38,843,685.60-16,321,979.20

Finding the Fourth Proportional to 25,895,790.40, 38,843,685.60 and 16,321,979.20

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Solution

The fourth proportional to 25,895,790.40, 38,843,685.60 and 16,321,979.20 is: 24,482,968.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,895,790.40 : 38,843,685.60 = 16,321,979.20 : x
  2. Step 2: Convert to fraction form
    25,895,790.40/38,843,685.60 = 16,321,979.20/x
  3. Step 3: Cross multiply
    25,895,790.40x = 38,843,685.60 × 16,321,979.20
  4. Step 4: Simplify right side
    25,895,790.40x = 634,005,828,414,539.50
  5. Step 5: Solve for x
    x = 634,005,828,414,539.50/25,895,790.40
  6. Step 6: Final answer
    x = 24,482,968.80

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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.