Home / 16,921,455.57-23,351,609.21-9,186,486.93

Finding the Fourth Proportional to 16,921,455.57, 23,351,609.21 and 9,186,486.93

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Solution

The fourth proportional to 16,921,455.57, 23,351,609.21 and 9,186,486.93 is: 12,677,352.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,921,455.57 : 23,351,609.21 = 9,186,486.93 : x
  2. Step 2: Convert to fraction form
    16,921,455.57/23,351,609.21 = 9,186,486.93/x
  3. Step 3: Cross multiply
    16,921,455.57x = 23,351,609.21 × 9,186,486.93
  4. Step 4: Simplify right side
    16,921,455.57x = 214,519,252,756,200.16
  5. Step 5: Solve for x
    x = 214,519,252,756,200.16/16,921,455.57
  6. Step 6: Final answer
    x = 12,677,352.24

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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.