Home / 28,454,916.93-42,689,165.67-9,285,709.65

Finding the Fourth Proportional to 28,454,916.93, 42,689,165.67 and 9,285,709.65

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Solution

The fourth proportional to 28,454,916.93, 42,689,165.67 and 9,285,709.65 is: 13,930,780.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,454,916.93 : 42,689,165.67 = 9,285,709.65 : x
  2. Step 2: Convert to fraction form
    28,454,916.93/42,689,165.67 = 9,285,709.65/x
  3. Step 3: Cross multiply
    28,454,916.93x = 42,689,165.67 × 9,285,709.65
  4. Step 4: Simplify right side
    28,454,916.93x = 396,399,197,612,367.75
  5. Step 5: Solve for x
    x = 396,399,197,612,367.75/28,454,916.93
  6. Step 6: Final answer
    x = 13,930,780.35

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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.