Home / 20,494,681.20-30,742,021.80-6,311,257.20

Finding the Fourth Proportional to 20,494,681.20, 30,742,021.80 and 6,311,257.20

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Solution

The fourth proportional to 20,494,681.20, 30,742,021.80 and 6,311,257.20 is: 9,466,885.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,494,681.20 : 30,742,021.80 = 6,311,257.20 : x
  2. Step 2: Convert to fraction form
    20,494,681.20/30,742,021.80 = 6,311,257.20/x
  3. Step 3: Cross multiply
    20,494,681.20x = 30,742,021.80 × 6,311,257.20
  4. Step 4: Simplify right side
    20,494,681.20x = 194,020,806,427,806.97
  5. Step 5: Solve for x
    x = 194,020,806,427,806.97/20,494,681.20
  6. Step 6: Final answer
    x = 9,466,885.80

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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.