Home / 8,701,628.80-13,052,443.20-5,300,406.40

Finding the Fourth Proportional to 8,701,628.80, 13,052,443.20 and 5,300,406.40

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Solution

The fourth proportional to 8,701,628.80, 13,052,443.20 and 5,300,406.40 is: 7,950,609.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,701,628.80 : 13,052,443.20 = 5,300,406.40 : x
  2. Step 2: Convert to fraction form
    8,701,628.80/13,052,443.20 = 5,300,406.40/x
  3. Step 3: Cross multiply
    8,701,628.80x = 13,052,443.20 × 5,300,406.40
  4. Step 4: Simplify right side
    8,701,628.80x = 69,183,253,472,916.48
  5. Step 5: Solve for x
    x = 69,183,253,472,916.48/8,701,628.80
  6. Step 6: Final answer
    x = 7,950,609.60

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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.