Home / 13,890,306.60-20,807,466.30-9,355,343.40

Finding the Fourth Proportional to 13,890,306.60, 20,807,466.30 and 9,355,343.40

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Solution

The fourth proportional to 13,890,306.60, 20,807,466.30 and 9,355,343.40 is: 14,014,160.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,890,306.60 : 20,807,466.30 = 9,355,343.40 : x
  2. Step 2: Convert to fraction form
    13,890,306.60/20,807,466.30 = 9,355,343.40/x
  3. Step 3: Cross multiply
    13,890,306.60x = 20,807,466.30 × 9,355,343.40
  4. Step 4: Simplify right side
    13,890,306.60x = 194,660,992,520,427.44
  5. Step 5: Solve for x
    x = 194,660,992,520,427.44/13,890,306.60
  6. Step 6: Final answer
    x = 14,014,160.96

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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.