Home / 14,909,236.50-20,574,921.60-9,028,765.56

Finding the Fourth Proportional to 14,909,236.50, 20,574,921.60 and 9,028,765.56

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Solution

The fourth proportional to 14,909,236.50, 20,574,921.60 and 9,028,765.56 is: 12,459,802.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,909,236.50 : 20,574,921.60 = 9,028,765.56 : x
  2. Step 2: Convert to fraction form
    14,909,236.50/20,574,921.60 = 9,028,765.56/x
  3. Step 3: Cross multiply
    14,909,236.50x = 20,574,921.60 × 9,028,765.56
  4. Step 4: Simplify right side
    14,909,236.50x = 185,766,143,541,780.12
  5. Step 5: Solve for x
    x = 185,766,143,541,780.12/14,909,236.50
  6. Step 6: Final answer
    x = 12,459,802.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.