Home / 20,218,677.30-30,328,145.55-8,089,154.10

Finding the Fourth Proportional to 20,218,677.30, 30,328,145.55 and 8,089,154.10

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Solution

The fourth proportional to 20,218,677.30, 30,328,145.55 and 8,089,154.10 is: 12,133,783.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,218,677.30 : 30,328,145.55 = 8,089,154.10 : x
  2. Step 2: Convert to fraction form
    20,218,677.30/30,328,145.55 = 8,089,154.10/x
  3. Step 3: Cross multiply
    20,218,677.30x = 30,328,145.55 × 8,089,154.10
  4. Step 4: Simplify right side
    20,218,677.30x = 245,329,042,921,179.25
  5. Step 5: Solve for x
    x = 245,329,042,921,179.25/20,218,677.30
  6. Step 6: Final answer
    x = 12,133,783.00

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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.