Home / 20,581,009.80-30,863,667.44-6,930,491.16

Finding the Fourth Proportional to 20,581,009.80, 30,863,667.44 and 6,930,491.16

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Solution

The fourth proportional to 20,581,009.80, 30,863,667.44 and 6,930,491.16 is: 10,393,094.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,581,009.80 : 30,863,667.44 = 6,930,491.16 : x
  2. Step 2: Convert to fraction form
    20,581,009.80/30,863,667.44 = 6,930,491.16/x
  3. Step 3: Cross multiply
    20,581,009.80x = 30,863,667.44 × 6,930,491.16
  4. Step 4: Simplify right side
    20,581,009.80x = 213,900,374,358,099.84
  5. Step 5: Solve for x
    x = 213,900,374,358,099.84/20,581,009.80
  6. Step 6: Final answer
    x = 10,393,094.24

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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.