Home / 12,487,355.60-18,731,033.40-8,008,379.60

Finding the Fourth Proportional to 12,487,355.60, 18,731,033.40 and 8,008,379.60

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Solution

The fourth proportional to 12,487,355.60, 18,731,033.40 and 8,008,379.60 is: 12,012,569.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,487,355.60 : 18,731,033.40 = 8,008,379.60 : x
  2. Step 2: Convert to fraction form
    12,487,355.60/18,731,033.40 = 8,008,379.60/x
  3. Step 3: Cross multiply
    12,487,355.60x = 18,731,033.40 × 8,008,379.60
  4. Step 4: Simplify right side
    12,487,355.60x = 150,005,225,767,478.62
  5. Step 5: Solve for x
    x = 150,005,225,767,478.62/12,487,355.60
  6. Step 6: Final answer
    x = 12,012,569.40

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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.