Home / 19,278,466.24-28,916,516.20-7,918,620.16

Finding the Fourth Proportional to 19,278,466.24, 28,916,516.20 and 7,918,620.16

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Solution

The fourth proportional to 19,278,466.24, 28,916,516.20 and 7,918,620.16 is: 11,877,444.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,278,466.24 : 28,916,516.20 = 7,918,620.16 : x
  2. Step 2: Convert to fraction form
    19,278,466.24/28,916,516.20 = 7,918,620.16/x
  3. Step 3: Cross multiply
    19,278,466.24x = 28,916,516.20 × 7,918,620.16
  4. Step 4: Simplify right side
    19,278,466.24x = 228,978,908,138,286.59
  5. Step 5: Solve for x
    x = 228,978,908,138,286.59/19,278,466.24
  6. Step 6: Final answer
    x = 11,877,444.26

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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.