Home / 13,648,020.80-20,462,200.80-7,666,222.40

Finding the Fourth Proportional to 13,648,020.80, 20,462,200.80 and 7,666,222.40

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Solution

The fourth proportional to 13,648,020.80, 20,462,200.80 and 7,666,222.40 is: 11,493,811.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,648,020.80 : 20,462,200.80 = 7,666,222.40 : x
  2. Step 2: Convert to fraction form
    13,648,020.80/20,462,200.80 = 7,666,222.40/x
  3. Step 3: Cross multiply
    13,648,020.80x = 20,462,200.80 × 7,666,222.40
  4. Step 4: Simplify right side
    13,648,020.80x = 156,867,782,126,257.94
  5. Step 5: Solve for x
    x = 156,867,782,126,257.94/13,648,020.80
  6. Step 6: Final answer
    x = 11,493,811.77

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1.5x scale

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.