Home / 13,440,580.80-20,160,871.20-4,465,132.80

Finding the Fourth Proportional to 13,440,580.80, 20,160,871.20 and 4,465,132.80

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Solution

The fourth proportional to 13,440,580.80, 20,160,871.20 and 4,465,132.80 is: 6,697,699.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,440,580.80 : 20,160,871.20 = 4,465,132.80 : x
  2. Step 2: Convert to fraction form
    13,440,580.80/20,160,871.20 = 4,465,132.80/x
  3. Step 3: Cross multiply
    13,440,580.80x = 20,160,871.20 × 4,465,132.80
  4. Step 4: Simplify right side
    13,440,580.80x = 90,020,967,271,695.36
  5. Step 5: Solve for x
    x = 90,020,967,271,695.36/13,440,580.80
  6. Step 6: Final answer
    x = 6,697,699.20

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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.