Home / 42,522,779.87-63,793,472.15-13,771,821.77

Finding the Fourth Proportional to 42,522,779.87, 63,793,472.15 and 13,771,821.77

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Solution

The fourth proportional to 42,522,779.87, 63,793,472.15 and 13,771,821.77 is: 20,660,745.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,522,779.87 : 63,793,472.15 = 13,771,821.77 : x
  2. Step 2: Convert to fraction form
    42,522,779.87/63,793,472.15 = 13,771,821.77/x
  3. Step 3: Cross multiply
    42,522,779.87x = 63,793,472.15 × 13,771,821.77
  4. Step 4: Simplify right side
    42,522,779.87x = 878,552,328,733,172
  5. Step 5: Solve for x
    x = 878,552,328,733,172/42,522,779.87
  6. Step 6: Final answer
    x = 20,660,745.40

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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.