Home / 13,860,015.40-20,790,023.10-5,770,302.40

Finding the Fourth Proportional to 13,860,015.40, 20,790,023.10 and 5,770,302.40

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Solution

The fourth proportional to 13,860,015.40, 20,790,023.10 and 5,770,302.40 is: 8,655,453.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,860,015.40 : 20,790,023.10 = 5,770,302.40 : x
  2. Step 2: Convert to fraction form
    13,860,015.40/20,790,023.10 = 5,770,302.40/x
  3. Step 3: Cross multiply
    13,860,015.40x = 20,790,023.10 × 5,770,302.40
  4. Step 4: Simplify right side
    13,860,015.40x = 119,964,720,189,985.45
  5. Step 5: Solve for x
    x = 119,964,720,189,985.45/13,860,015.40
  6. Step 6: Final answer
    x = 8,655,453.60

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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.