Home / 19,218,045.90-26,520,902.94-10,516,218.18

Finding the Fourth Proportional to 19,218,045.90, 26,520,902.94 and 10,516,218.18

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Solution

The fourth proportional to 19,218,045.90, 26,520,902.94 and 10,516,218.18 is: 14,512,380.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,218,045.90 : 26,520,902.94 = 10,516,218.18 : x
  2. Step 2: Convert to fraction form
    19,218,045.90/26,520,902.94 = 10,516,218.18/x
  3. Step 3: Cross multiply
    19,218,045.90x = 26,520,902.94 × 10,516,218.18
  4. Step 4: Simplify right side
    19,218,045.90x = 278,899,601,647,643.47
  5. Step 5: Solve for x
    x = 278,899,601,647,643.47/19,218,045.90
  6. Step 6: Final answer
    x = 14,512,380.87

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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.