Home / 28,542,230.65-42,812,974.05-6,977,021.77

Finding the Fourth Proportional to 28,542,230.65, 42,812,974.05 and 6,977,021.77

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Solution

The fourth proportional to 28,542,230.65, 42,812,974.05 and 6,977,021.77 is: 10,465,441.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,542,230.65 : 42,812,974.05 = 6,977,021.77 : x
  2. Step 2: Convert to fraction form
    28,542,230.65/42,812,974.05 = 6,977,021.77/x
  3. Step 3: Cross multiply
    28,542,230.65x = 42,812,974.05 × 6,977,021.77
  4. Step 4: Simplify right side
    28,542,230.65x = 298,707,051,985,295
  5. Step 5: Solve for x
    x = 298,707,051,985,295/28,542,230.65
  6. Step 6: Final answer
    x = 10,465,441.74

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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.