Home / 8,587,860.30-12,881,790.45-8,219,277.90

Finding the Fourth Proportional to 8,587,860.30, 12,881,790.45 and 8,219,277.90

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Solution

The fourth proportional to 8,587,860.30, 12,881,790.45 and 8,219,277.90 is: 12,328,916.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,587,860.30 : 12,881,790.45 = 8,219,277.90 : x
  2. Step 2: Convert to fraction form
    8,587,860.30/12,881,790.45 = 8,219,277.90/x
  3. Step 3: Cross multiply
    8,587,860.30x = 12,881,790.45 × 8,219,277.90
  4. Step 4: Simplify right side
    8,587,860.30x = 105,879,015,558,116.05
  5. Step 5: Solve for x
    x = 105,879,015,558,116.05/8,587,860.30
  6. Step 6: Final answer
    x = 12,328,916.85

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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.