Home / 19,172,472.25-28,759,298.88-8,384,219.95

Finding the Fourth Proportional to 19,172,472.25, 28,759,298.88 and 8,384,219.95

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Solution

The fourth proportional to 19,172,472.25, 28,759,298.88 and 8,384,219.95 is: 12,576,588.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,172,472.25 : 28,759,298.88 = 8,384,219.95 : x
  2. Step 2: Convert to fraction form
    19,172,472.25/28,759,298.88 = 8,384,219.95/x
  3. Step 3: Cross multiply
    19,172,472.25x = 28,759,298.88 × 8,384,219.95
  4. Step 4: Simplify right side
    19,172,472.25x = 241,124,287,417,708.66
  5. Step 5: Solve for x
    x = 241,124,287,417,708.66/19,172,472.25
  6. Step 6: Final answer
    x = 12,576,588.16

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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.