Home / 13,616,145.60-20,424,218.40-9,789,770.40

Finding the Fourth Proportional to 13,616,145.60, 20,424,218.40 and 9,789,770.40

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Solution

The fourth proportional to 13,616,145.60, 20,424,218.40 and 9,789,770.40 is: 14,684,655.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,616,145.60 : 20,424,218.40 = 9,789,770.40 : x
  2. Step 2: Convert to fraction form
    13,616,145.60/20,424,218.40 = 9,789,770.40/x
  3. Step 3: Cross multiply
    13,616,145.60x = 20,424,218.40 × 9,789,770.40
  4. Step 4: Simplify right side
    13,616,145.60x = 199,948,408,735,455.34
  5. Step 5: Solve for x
    x = 199,948,408,735,455.34/13,616,145.60
  6. Step 6: Final answer
    x = 14,684,655.60

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1.5x scale

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.