Home / 14,331,286.40-21,496,929.60-8,648,585.60

Finding the Fourth Proportional to 14,331,286.40, 21,496,929.60 and 8,648,585.60

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Solution

The fourth proportional to 14,331,286.40, 21,496,929.60 and 8,648,585.60 is: 12,972,878.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,331,286.40 : 21,496,929.60 = 8,648,585.60 : x
  2. Step 2: Convert to fraction form
    14,331,286.40/21,496,929.60 = 8,648,585.60/x
  3. Step 3: Cross multiply
    14,331,286.40x = 21,496,929.60 × 8,648,585.60
  4. Step 4: Simplify right side
    14,331,286.40x = 185,918,035,782,773.75
  5. Step 5: Solve for x
    x = 185,918,035,782,773.75/14,331,286.40
  6. Step 6: Final answer
    x = 12,972,878.40

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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.