Home / 9,161,809.20-13,742,713.80-8,280,010.80

Finding the Fourth Proportional to 9,161,809.20, 13,742,713.80 and 8,280,010.80

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Solution

The fourth proportional to 9,161,809.20, 13,742,713.80 and 8,280,010.80 is: 12,420,016.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,161,809.20 : 13,742,713.80 = 8,280,010.80 : x
  2. Step 2: Convert to fraction form
    9,161,809.20/13,742,713.80 = 8,280,010.80/x
  3. Step 3: Cross multiply
    9,161,809.20x = 13,742,713.80 × 8,280,010.80
  4. Step 4: Simplify right side
    9,161,809.20x = 113,789,818,685,309.05
  5. Step 5: Solve for x
    x = 113,789,818,685,309.05/9,161,809.20
  6. Step 6: Final answer
    x = 12,420,016.20

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1.5x scale

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.