Home / 21,893,613.46-30,208,164.33-13,071,345.82

Finding the Fourth Proportional to 21,893,613.46, 30,208,164.33 and 13,071,345.82

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Solution

The fourth proportional to 21,893,613.46, 30,208,164.33 and 13,071,345.82 is: 18,035,458.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,893,613.46 : 30,208,164.33 = 13,071,345.82 : x
  2. Step 2: Convert to fraction form
    21,893,613.46/30,208,164.33 = 13,071,345.82/x
  3. Step 3: Cross multiply
    21,893,613.46x = 30,208,164.33 × 13,071,345.82
  4. Step 4: Simplify right side
    21,893,613.46x = 394,861,362,544,818.56
  5. Step 5: Solve for x
    x = 394,861,362,544,818.56/21,893,613.46
  6. Step 6: Final answer
    x = 18,035,458.75

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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.