Home / 20,160,059.78-30,240,199.02-5,013,991.28

Finding the Fourth Proportional to 20,160,059.78, 30,240,199.02 and 5,013,991.28

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Solution

The fourth proportional to 20,160,059.78, 30,240,199.02 and 5,013,991.28 is: 7,521,014.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,160,059.78 : 30,240,199.02 = 5,013,991.28 : x
  2. Step 2: Convert to fraction form
    20,160,059.78/30,240,199.02 = 5,013,991.28/x
  3. Step 3: Cross multiply
    20,160,059.78x = 30,240,199.02 × 5,013,991.28
  4. Step 4: Simplify right side
    20,160,059.78x = 151,624,094,191,744.56
  5. Step 5: Solve for x
    x = 151,624,094,191,744.56/20,160,059.78
  6. Step 6: Final answer
    x = 7,521,014.12

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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.