Home / 20,405,574.46-30,597,732.67-7,615,561.06

Finding the Fourth Proportional to 20,405,574.46, 30,597,732.67 and 7,615,561.06

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Solution

The fourth proportional to 20,405,574.46, 30,597,732.67 and 7,615,561.06 is: 11,419,374.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,405,574.46 : 30,597,732.67 = 7,615,561.06 : x
  2. Step 2: Convert to fraction form
    20,405,574.46/30,597,732.67 = 7,615,561.06/x
  3. Step 3: Cross multiply
    20,405,574.46x = 30,597,732.67 × 7,615,561.06
  4. Step 4: Simplify right side
    20,405,574.46x = 233,018,901,445,941.84
  5. Step 5: Solve for x
    x = 233,018,901,445,941.84/20,405,574.46
  6. Step 6: Final answer
    x = 11,419,374.74

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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.