Home / 18,944,069.20-28,416,103.80-6,974,328.40

Finding the Fourth Proportional to 18,944,069.20, 28,416,103.80 and 6,974,328.40

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Solution

The fourth proportional to 18,944,069.20, 28,416,103.80 and 6,974,328.40 is: 10,461,492.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,944,069.20 : 28,416,103.80 = 6,974,328.40 : x
  2. Step 2: Convert to fraction form
    18,944,069.20/28,416,103.80 = 6,974,328.40/x
  3. Step 3: Cross multiply
    18,944,069.20x = 28,416,103.80 × 6,974,328.40
  4. Step 4: Simplify right side
    18,944,069.20x = 198,183,239,749,687.94
  5. Step 5: Solve for x
    x = 198,183,239,749,687.94/18,944,069.20
  6. Step 6: Final answer
    x = 10,461,492.60

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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.