Home / 13,658,513.60-20,487,770.40-6,856,068.80

Finding the Fourth Proportional to 13,658,513.60, 20,487,770.40 and 6,856,068.80

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Solution

The fourth proportional to 13,658,513.60, 20,487,770.40 and 6,856,068.80 is: 10,284,103.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,658,513.60 : 20,487,770.40 = 6,856,068.80 : x
  2. Step 2: Convert to fraction form
    13,658,513.60/20,487,770.40 = 6,856,068.80/x
  3. Step 3: Cross multiply
    13,658,513.60x = 20,487,770.40 × 6,856,068.80
  4. Step 4: Simplify right side
    13,658,513.60x = 140,465,563,421,003.50
  5. Step 5: Solve for x
    x = 140,465,563,421,003.50/13,658,513.60
  6. Step 6: Final answer
    x = 10,284,103.20

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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.