Home / 8,693,269.20-13,039,903.80-8,021,422.80

Finding the Fourth Proportional to 8,693,269.20, 13,039,903.80 and 8,021,422.80

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Solution

The fourth proportional to 8,693,269.20, 13,039,903.80 and 8,021,422.80 is: 12,032,134.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,693,269.20 : 13,039,903.80 = 8,021,422.80 : x
  2. Step 2: Convert to fraction form
    8,693,269.20/13,039,903.80 = 8,021,422.80/x
  3. Step 3: Cross multiply
    8,693,269.20x = 13,039,903.80 × 8,021,422.80
  4. Step 4: Simplify right side
    8,693,269.20x = 104,598,581,651,126.64
  5. Step 5: Solve for x
    x = 104,598,581,651,126.64/8,693,269.20
  6. Step 6: Final answer
    x = 12,032,134.20

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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.