Home / 19,245,143.80-28,875,491.70-8,464,497.40

Finding the Fourth Proportional to 19,245,143.80, 28,875,491.70 and 8,464,497.40

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Solution

The fourth proportional to 19,245,143.80, 28,875,491.70 and 8,464,497.40 is: 12,700,166.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,245,143.80 : 28,875,491.70 = 8,464,497.40 : x
  2. Step 2: Convert to fraction form
    19,245,143.80/28,875,491.70 = 8,464,497.40/x
  3. Step 3: Cross multiply
    19,245,143.80x = 28,875,491.70 × 8,464,497.40
  4. Step 4: Simplify right side
    19,245,143.80x = 244,416,524,418,371.59
  5. Step 5: Solve for x
    x = 244,416,524,418,371.59/19,245,143.80
  6. Step 6: Final answer
    x = 12,700,166.18

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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.