Home / 8,144,509.80-12,220,263.90-4,155,421.80

Finding the Fourth Proportional to 8,144,509.80, 12,220,263.90 and 4,155,421.80

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Solution

The fourth proportional to 8,144,509.80, 12,220,263.90 and 4,155,421.80 is: 6,234,918.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,144,509.80 : 12,220,263.90 = 4,155,421.80 : x
  2. Step 2: Convert to fraction form
    8,144,509.80/12,220,263.90 = 4,155,421.80/x
  3. Step 3: Cross multiply
    8,144,509.80x = 12,220,263.90 × 4,155,421.80
  4. Step 4: Simplify right side
    8,144,509.80x = 50,780,351,011,813.02
  5. Step 5: Solve for x
    x = 50,780,351,011,813.02/8,144,509.80
  6. Step 6: Final answer
    x = 6,234,918.03

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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.