Home / 12,315,770.58-18,476,668.47-8,679,595.14

Finding the Fourth Proportional to 12,315,770.58, 18,476,668.47 and 8,679,595.14

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Solution

The fourth proportional to 12,315,770.58, 18,476,668.47 and 8,679,595.14 is: 13,021,515.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,315,770.58 : 18,476,668.47 = 8,679,595.14 : x
  2. Step 2: Convert to fraction form
    12,315,770.58/18,476,668.47 = 8,679,595.14/x
  3. Step 3: Cross multiply
    12,315,770.58x = 18,476,668.47 × 8,679,595.14
  4. Step 4: Simplify right side
    12,315,770.58x = 160,370,001,855,603.25
  5. Step 5: Solve for x
    x = 160,370,001,855,603.25/12,315,770.58
  6. Step 6: Final answer
    x = 13,021,515.85

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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.