Home / 10,385,587.39-15,564,455.77-8,082,860.91

Finding the Fourth Proportional to 10,385,587.39, 15,564,455.77 and 8,082,860.91

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Solution

The fourth proportional to 10,385,587.39, 15,564,455.77 and 8,082,860.91 is: 12,113,453.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,385,587.39 : 15,564,455.77 = 8,082,860.91 : x
  2. Step 2: Convert to fraction form
    10,385,587.39/15,564,455.77 = 8,082,860.91/x
  3. Step 3: Cross multiply
    10,385,587.39x = 15,564,455.77 × 8,082,860.91
  4. Step 4: Simplify right side
    10,385,587.39x = 125,805,331,128,756.95
  5. Step 5: Solve for x
    x = 125,805,331,128,756.95/10,385,587.39
  6. Step 6: Final answer
    x = 12,113,453.62

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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.