Home / 28,000,916.80-41,917,394.40-16,635,515.20

Finding the Fourth Proportional to 28,000,916.80, 41,917,394.40 and 16,635,515.20

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Solution

The fourth proportional to 28,000,916.80, 41,917,394.40 and 16,635,515.20 is: 24,903,379.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,000,916.80 : 41,917,394.40 = 16,635,515.20 : x
  2. Step 2: Convert to fraction form
    28,000,916.80/41,917,394.40 = 16,635,515.20/x
  3. Step 3: Cross multiply
    28,000,916.80x = 41,917,394.40 × 16,635,515.20
  4. Step 4: Simplify right side
    28,000,916.80x = 697,317,451,685,594.88
  5. Step 5: Solve for x
    x = 697,317,451,685,594.88/28,000,916.80
  6. Step 6: Final answer
    x = 24,903,379.30

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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.