Home / 13,404,811.80-20,107,217.70-8,030,040.60

Finding the Fourth Proportional to 13,404,811.80, 20,107,217.70 and 8,030,040.60

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Solution

The fourth proportional to 13,404,811.80, 20,107,217.70 and 8,030,040.60 is: 12,045,060.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,404,811.80 : 20,107,217.70 = 8,030,040.60 : x
  2. Step 2: Convert to fraction form
    13,404,811.80/20,107,217.70 = 8,030,040.60/x
  3. Step 3: Cross multiply
    13,404,811.80x = 20,107,217.70 × 8,030,040.60
  4. Step 4: Simplify right side
    13,404,811.80x = 161,461,774,484,038.59
  5. Step 5: Solve for x
    x = 161,461,774,484,038.59/13,404,811.80
  6. Step 6: Final answer
    x = 12,045,060.90

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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.