Home / 21,915,177.98-30,243,837.93-12,125,463.62

Finding the Fourth Proportional to 21,915,177.98, 30,243,837.93 and 12,125,463.62

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Solution

The fourth proportional to 21,915,177.98, 30,243,837.93 and 12,125,463.62 is: 16,733,633.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,915,177.98 : 30,243,837.93 = 12,125,463.62 : x
  2. Step 2: Convert to fraction form
    21,915,177.98/30,243,837.93 = 12,125,463.62/x
  3. Step 3: Cross multiply
    21,915,177.98x = 30,243,837.93 × 12,125,463.62
  4. Step 4: Simplify right side
    21,915,177.98x = 366,720,556,549,391.06
  5. Step 5: Solve for x
    x = 366,720,556,549,391.06/21,915,177.98
  6. Step 6: Final answer
    x = 16,733,633.51

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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.