Home / 13,209,907.60-19,814,861.40-4,235,366.80

Finding the Fourth Proportional to 13,209,907.60, 19,814,861.40 and 4,235,366.80

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Solution

The fourth proportional to 13,209,907.60, 19,814,861.40 and 4,235,366.80 is: 6,353,050.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,209,907.60 : 19,814,861.40 = 4,235,366.80 : x
  2. Step 2: Convert to fraction form
    13,209,907.60/19,814,861.40 = 4,235,366.80/x
  3. Step 3: Cross multiply
    13,209,907.60x = 19,814,861.40 × 4,235,366.80
  4. Step 4: Simplify right side
    13,209,907.60x = 83,923,206,120,161.52
  5. Step 5: Solve for x
    x = 83,923,206,120,161.52/13,209,907.60
  6. Step 6: Final answer
    x = 6,353,050.20

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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.