Home / 13,590,930.40-20,386,395.60-12,961,074.40

Finding the Fourth Proportional to 13,590,930.40, 20,386,395.60 and 12,961,074.40

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Solution

The fourth proportional to 13,590,930.40, 20,386,395.60 and 12,961,074.40 is: 19,441,611.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,590,930.40 : 20,386,395.60 = 12,961,074.40 : x
  2. Step 2: Convert to fraction form
    13,590,930.40/20,386,395.60 = 12,961,074.40/x
  3. Step 3: Cross multiply
    13,590,930.40x = 20,386,395.60 × 12,961,074.40
  4. Step 4: Simplify right side
    13,590,930.40x = 264,229,590,119,432.66
  5. Step 5: Solve for x
    x = 264,229,590,119,432.66/13,590,930.40
  6. Step 6: Final answer
    x = 19,441,611.60

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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.