Home / 14,212,552.80-21,318,829.20-9,677,589.60

Finding the Fourth Proportional to 14,212,552.80, 21,318,829.20 and 9,677,589.60

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Solution

The fourth proportional to 14,212,552.80, 21,318,829.20 and 9,677,589.60 is: 14,516,384.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,212,552.80 : 21,318,829.20 = 9,677,589.60 : x
  2. Step 2: Convert to fraction form
    14,212,552.80/21,318,829.20 = 9,677,589.60/x
  3. Step 3: Cross multiply
    14,212,552.80x = 21,318,829.20 × 9,677,589.60
  4. Step 4: Simplify right side
    14,212,552.80x = 206,314,879,750,096.31
  5. Step 5: Solve for x
    x = 206,314,879,750,096.31/14,212,552.80
  6. Step 6: Final answer
    x = 14,516,384.40

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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.