Home / 20,383,740.19-30,575,610.21-7,430,862.25

Finding the Fourth Proportional to 20,383,740.19, 30,575,610.21 and 7,430,862.25

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Solution

The fourth proportional to 20,383,740.19, 30,575,610.21 and 7,430,862.25 is: 11,146,293.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,383,740.19 : 30,575,610.21 = 7,430,862.25 : x
  2. Step 2: Convert to fraction form
    20,383,740.19/30,575,610.21 = 7,430,862.25/x
  3. Step 3: Cross multiply
    20,383,740.19x = 30,575,610.21 × 7,430,862.25
  4. Step 4: Simplify right side
    20,383,740.19x = 227,203,147,527,325.53
  5. Step 5: Solve for x
    x = 227,203,147,527,325.53/20,383,740.19
  6. Step 6: Final answer
    x = 11,146,293.34

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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.