Home / 20,299,349.60-30,449,024.40-5,153,281.10

Finding the Fourth Proportional to 20,299,349.60, 30,449,024.40 and 5,153,281.10

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Solution

The fourth proportional to 20,299,349.60, 30,449,024.40 and 5,153,281.10 is: 7,729,921.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,299,349.60 : 30,449,024.40 = 5,153,281.10 : x
  2. Step 2: Convert to fraction form
    20,299,349.60/30,449,024.40 = 5,153,281.10/x
  3. Step 3: Cross multiply
    20,299,349.60x = 30,449,024.40 × 5,153,281.10
  4. Step 4: Simplify right side
    20,299,349.60x = 156,912,381,953,958.81
  5. Step 5: Solve for x
    x = 156,912,381,953,958.81/20,299,349.60
  6. Step 6: Final answer
    x = 7,729,921.65

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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.