Home / 9,295,220.40-13,942,830.60-8,657,491.20

Finding the Fourth Proportional to 9,295,220.40, 13,942,830.60 and 8,657,491.20

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Solution

The fourth proportional to 9,295,220.40, 13,942,830.60 and 8,657,491.20 is: 12,986,236.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,295,220.40 : 13,942,830.60 = 8,657,491.20 : x
  2. Step 2: Convert to fraction form
    9,295,220.40/13,942,830.60 = 8,657,491.20/x
  3. Step 3: Cross multiply
    9,295,220.40x = 13,942,830.60 × 8,657,491.20
  4. Step 4: Simplify right side
    9,295,220.40x = 120,709,933,222,590.70
  5. Step 5: Solve for x
    x = 120,709,933,222,590.70/9,295,220.40
  6. Step 6: Final answer
    x = 12,986,236.80

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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.