Home / 8,487,453.86-12,731,184.90-2,807,678.18

Finding the Fourth Proportional to 8,487,453.86, 12,731,184.90 and 2,807,678.18

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Solution

The fourth proportional to 8,487,453.86, 12,731,184.90 and 2,807,678.18 is: 4,211,518.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,487,453.86 : 12,731,184.90 = 2,807,678.18 : x
  2. Step 2: Convert to fraction form
    8,487,453.86/12,731,184.90 = 2,807,678.18/x
  3. Step 3: Cross multiply
    8,487,453.86x = 12,731,184.90 × 2,807,678.18
  4. Step 4: Simplify right side
    8,487,453.86x = 35,745,070,001,592.53
  5. Step 5: Solve for x
    x = 35,745,070,001,592.53/8,487,453.86
  6. Step 6: Final answer
    x = 4,211,518.62

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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.