Home / 13,440,657.80-20,160,986.70-4,465,209.80

Finding the Fourth Proportional to 13,440,657.80, 20,160,986.70 and 4,465,209.80

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Solution

The fourth proportional to 13,440,657.80, 20,160,986.70 and 4,465,209.80 is: 6,697,814.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,440,657.80 : 20,160,986.70 = 4,465,209.80 : x
  2. Step 2: Convert to fraction form
    13,440,657.80/20,160,986.70 = 4,465,209.80/x
  3. Step 3: Cross multiply
    13,440,657.80x = 20,160,986.70 × 4,465,209.80
  4. Step 4: Simplify right side
    13,440,657.80x = 90,023,035,390,509.66
  5. Step 5: Solve for x
    x = 90,023,035,390,509.66/13,440,657.80
  6. Step 6: Final answer
    x = 6,697,814.70

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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.