Home / 20,182,094.35-30,284,890.83-8,509,733.62

Finding the Fourth Proportional to 20,182,094.35, 30,284,890.83 and 8,509,733.62

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Solution

The fourth proportional to 20,182,094.35, 30,284,890.83 and 8,509,733.62 is: 12,769,554.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,182,094.35 : 30,284,890.83 = 8,509,733.62 : x
  2. Step 2: Convert to fraction form
    20,182,094.35/30,284,890.83 = 8,509,733.62/x
  3. Step 3: Cross multiply
    20,182,094.35x = 30,284,890.83 × 8,509,733.62
  4. Step 4: Simplify right side
    20,182,094.35x = 257,716,353,598,368.47
  5. Step 5: Solve for x
    x = 257,716,353,598,368.47/20,182,094.35
  6. Step 6: Final answer
    x = 12,769,554.50

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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.