Home / 20,153,865.96-30,230,820.81-5,007,797.46

Finding the Fourth Proportional to 20,153,865.96, 30,230,820.81 and 5,007,797.46

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Solution

The fourth proportional to 20,153,865.96, 30,230,820.81 and 5,007,797.46 is: 7,511,701.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,153,865.96 : 30,230,820.81 = 5,007,797.46 : x
  2. Step 2: Convert to fraction form
    20,153,865.96/30,230,820.81 = 5,007,797.46/x
  3. Step 3: Cross multiply
    20,153,865.96x = 30,230,820.81 × 5,007,797.46
  4. Step 4: Simplify right side
    20,153,865.96x = 151,389,827,666,033.12
  5. Step 5: Solve for x
    x = 151,389,827,666,033.12/20,153,865.96
  6. Step 6: Final answer
    x = 7,511,701.62

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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.