Home / 20,364,289.32-30,538,429.56-7,407,364.08

Finding the Fourth Proportional to 20,364,289.32, 30,538,429.56 and 7,407,364.08

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Solution

The fourth proportional to 20,364,289.32, 30,538,429.56 and 7,407,364.08 is: 11,108,134.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,364,289.32 : 30,538,429.56 = 7,407,364.08 : x
  2. Step 2: Convert to fraction form
    20,364,289.32/30,538,429.56 = 7,407,364.08/x
  3. Step 3: Cross multiply
    20,364,289.32x = 30,538,429.56 × 7,407,364.08
  4. Step 4: Simplify right side
    20,364,289.32x = 226,209,266,182,354.19
  5. Step 5: Solve for x
    x = 226,209,266,182,354.19/20,364,289.32
  6. Step 6: Final answer
    x = 11,108,134.57

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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.