Home / 20,573,742.87-28,364,299.37-16,344,345.94

Finding the Fourth Proportional to 20,573,742.87, 28,364,299.37 and 16,344,345.94

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Solution

The fourth proportional to 20,573,742.87, 28,364,299.37 and 16,344,345.94 is: 22,533,377.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,573,742.87 : 28,364,299.37 = 16,344,345.94 : x
  2. Step 2: Convert to fraction form
    20,573,742.87/28,364,299.37 = 16,344,345.94/x
  3. Step 3: Cross multiply
    20,573,742.87x = 28,364,299.37 × 16,344,345.94
  4. Step 4: Simplify right side
    20,573,742.87x = 463,595,921,363,172.38
  5. Step 5: Solve for x
    x = 463,595,921,363,172.38/20,573,742.87
  6. Step 6: Final answer
    x = 22,533,377.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.