Home / 13,441,120.80-20,161,681.20-4,465,672.80

Finding the Fourth Proportional to 13,441,120.80, 20,161,681.20 and 4,465,672.80

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Solution

The fourth proportional to 13,441,120.80, 20,161,681.20 and 4,465,672.80 is: 6,698,509.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,441,120.80 : 20,161,681.20 = 4,465,672.80 : x
  2. Step 2: Convert to fraction form
    13,441,120.80/20,161,681.20 = 4,465,672.80/x
  3. Step 3: Cross multiply
    13,441,120.80x = 20,161,681.20 × 4,465,672.80
  4. Step 4: Simplify right side
    13,441,120.80x = 90,035,471,337,111.36
  5. Step 5: Solve for x
    x = 90,035,471,337,111.36/13,441,120.80
  6. Step 6: Final answer
    x = 6,698,509.20

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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.