Home / 18,887,085.63-28,296,416.40-8,660,500.04

Finding the Fourth Proportional to 18,887,085.63, 28,296,416.40 and 8,660,500.04

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Solution

The fourth proportional to 18,887,085.63, 28,296,416.40 and 8,660,500.04 is: 12,975,062.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,887,085.63 : 28,296,416.40 = 8,660,500.04 : x
  2. Step 2: Convert to fraction form
    18,887,085.63/28,296,416.40 = 8,660,500.04/x
  3. Step 3: Cross multiply
    18,887,085.63x = 28,296,416.40 × 8,660,500.04
  4. Step 4: Simplify right side
    18,887,085.63x = 245,061,115,364,056.62
  5. Step 5: Solve for x
    x = 245,061,115,364,056.62/18,887,085.63
  6. Step 6: Final answer
    x = 12,975,062.44

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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.