Home / 20,712,015.60-31,070,356.20-6,334,969.20

Finding the Fourth Proportional to 20,712,015.60, 31,070,356.20 and 6,334,969.20

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Solution

The fourth proportional to 20,712,015.60, 31,070,356.20 and 6,334,969.20 is: 9,503,167.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,712,015.60 : 31,070,356.20 = 6,334,969.20 : x
  2. Step 2: Convert to fraction form
    20,712,015.60/31,070,356.20 = 6,334,969.20/x
  3. Step 3: Cross multiply
    20,712,015.60x = 31,070,356.20 × 6,334,969.20
  4. Step 4: Simplify right side
    20,712,015.60x = 196,829,749,560,029.03
  5. Step 5: Solve for x
    x = 196,829,749,560,029.03/20,712,015.60
  6. Step 6: Final answer
    x = 9,503,167.31

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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.