Home / 13,555,259.20-20,348,635.20-8,169,990.40

Finding the Fourth Proportional to 13,555,259.20, 20,348,635.20 and 8,169,990.40

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Solution

The fourth proportional to 13,555,259.20, 20,348,635.20 and 8,169,990.40 is: 12,264,476.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,555,259.20 : 20,348,635.20 = 8,169,990.40 : x
  2. Step 2: Convert to fraction form
    13,555,259.20/20,348,635.20 = 8,169,990.40/x
  3. Step 3: Cross multiply
    13,555,259.20x = 20,348,635.20 × 8,169,990.40
  4. Step 4: Simplify right side
    13,555,259.20x = 166,248,154,237,102.09
  5. Step 5: Solve for x
    x = 166,248,154,237,102.09/13,555,259.20
  6. Step 6: Final answer
    x = 12,264,476.23

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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.