Home / 30,330,834.40-45,496,251.60-8,766,139.60

Finding the Fourth Proportional to 30,330,834.40, 45,496,251.60 and 8,766,139.60

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Solution

The fourth proportional to 30,330,834.40, 45,496,251.60 and 8,766,139.60 is: 13,149,209.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,330,834.40 : 45,496,251.60 = 8,766,139.60 : x
  2. Step 2: Convert to fraction form
    30,330,834.40/45,496,251.60 = 8,766,139.60/x
  3. Step 3: Cross multiply
    30,330,834.40x = 45,496,251.60 × 8,766,139.60
  4. Step 4: Simplify right side
    30,330,834.40x = 398,826,492,802,323.38
  5. Step 5: Solve for x
    x = 398,826,492,802,323.38/30,330,834.40
  6. Step 6: Final answer
    x = 13,149,209.40

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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.