Home / 13,380,860.72-20,070,478.20-4,745,389.52

Finding the Fourth Proportional to 13,380,860.72, 20,070,478.20 and 4,745,389.52

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Solution

The fourth proportional to 13,380,860.72, 20,070,478.20 and 4,745,389.52 is: 7,117,796.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,380,860.72 : 20,070,478.20 = 4,745,389.52 : x
  2. Step 2: Convert to fraction form
    13,380,860.72/20,070,478.20 = 4,745,389.52/x
  3. Step 3: Cross multiply
    13,380,860.72x = 20,070,478.20 × 4,745,389.52
  4. Step 4: Simplify right side
    13,380,860.72x = 95,242,236,911,668.45
  5. Step 5: Solve for x
    x = 95,242,236,911,668.45/13,380,860.72
  6. Step 6: Final answer
    x = 7,117,796.00

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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.