Home / 18,903,488.70-28,355,233.05-9,323,456.70

Finding the Fourth Proportional to 18,903,488.70, 28,355,233.05 and 9,323,456.70

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Solution

The fourth proportional to 18,903,488.70, 28,355,233.05 and 9,323,456.70 is: 13,985,185.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,903,488.70 : 28,355,233.05 = 9,323,456.70 : x
  2. Step 2: Convert to fraction form
    18,903,488.70/28,355,233.05 = 9,323,456.70/x
  3. Step 3: Cross multiply
    18,903,488.70x = 28,355,233.05 × 9,323,456.70
  4. Step 4: Simplify right side
    18,903,488.70x = 264,368,787,560,083.91
  5. Step 5: Solve for x
    x = 264,368,787,560,083.91/18,903,488.70
  6. Step 6: Final answer
    x = 13,985,185.05

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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.