Home / 12,920,007.40-19,380,084.40-3,334,730.64

Finding the Fourth Proportional to 12,920,007.40, 19,380,084.40 and 3,334,730.64

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Solution

The fourth proportional to 12,920,007.40, 19,380,084.40 and 3,334,730.64 is: 5,002,114.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,920,007.40 : 19,380,084.40 = 3,334,730.64 : x
  2. Step 2: Convert to fraction form
    12,920,007.40/19,380,084.40 = 3,334,730.64/x
  3. Step 3: Cross multiply
    12,920,007.40x = 19,380,084.40 × 3,334,730.64
  4. Step 4: Simplify right side
    12,920,007.40x = 64,627,361,254,466.02
  5. Step 5: Solve for x
    x = 64,627,361,254,466.02/12,920,007.40
  6. Step 6: Final answer
    x = 5,002,114.88

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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.