Home / 19,172,463.25-28,759,285.37-8,384,210.95

Finding the Fourth Proportional to 19,172,463.25, 28,759,285.37 and 8,384,210.95

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Solution

The fourth proportional to 19,172,463.25, 28,759,285.37 and 8,384,210.95 is: 12,576,574.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,172,463.25 : 28,759,285.37 = 8,384,210.95 : x
  2. Step 2: Convert to fraction form
    19,172,463.25/28,759,285.37 = 8,384,210.95/x
  3. Step 3: Cross multiply
    19,172,463.25x = 28,759,285.37 × 8,384,210.95
  4. Step 4: Simplify right side
    19,172,463.25x = 241,123,915,313,328.81
  5. Step 5: Solve for x
    x = 241,123,915,313,328.81/19,172,463.25
  6. Step 6: Final answer
    x = 12,576,574.65

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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.