Home / 20,218,069.40-30,327,104.10-8,093,341.40

Finding the Fourth Proportional to 20,218,069.40, 30,327,104.10 and 8,093,341.40

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Solution

The fourth proportional to 20,218,069.40, 30,327,104.10 and 8,093,341.40 is: 12,140,012.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,218,069.40 : 30,327,104.10 = 8,093,341.40 : x
  2. Step 2: Convert to fraction form
    20,218,069.40/30,327,104.10 = 8,093,341.40/x
  3. Step 3: Cross multiply
    20,218,069.40x = 30,327,104.10 × 8,093,341.40
  4. Step 4: Simplify right side
    20,218,069.40x = 245,447,607,154,639.75
  5. Step 5: Solve for x
    x = 245,447,607,154,639.75/20,218,069.40
  6. Step 6: Final answer
    x = 12,140,012.10

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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.