Home / 18,998,537.40-28,497,807-7,636,328.82

Finding the Fourth Proportional to 18,998,537.40, 28,497,807 and 7,636,328.82

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Solution

The fourth proportional to 18,998,537.40, 28,497,807 and 7,636,328.82 is: 11,454,493.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,998,537.40 : 28,497,807 = 7,636,328.82 : x
  2. Step 2: Convert to fraction form
    18,998,537.40/28,497,807 = 7,636,328.82/x
  3. Step 3: Cross multiply
    18,998,537.40x = 28,497,807 × 7,636,328.82
  4. Step 4: Simplify right side
    18,998,537.40x = 217,618,624,900,897.75
  5. Step 5: Solve for x
    x = 217,618,624,900,897.75/18,998,537.40
  6. Step 6: Final answer
    x = 11,454,493.59

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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.