Home / 38,331,245.14-52,896,841.70-20,927,590.31

Finding the Fourth Proportional to 38,331,245.14, 52,896,841.70 and 20,927,590.31

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Solution

The fourth proportional to 38,331,245.14, 52,896,841.70 and 20,927,590.31 is: 28,879,923.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,331,245.14 : 52,896,841.70 = 20,927,590.31 : x
  2. Step 2: Convert to fraction form
    38,331,245.14/52,896,841.70 = 20,927,590.31/x
  3. Step 3: Cross multiply
    38,331,245.14x = 52,896,841.70 × 20,927,590.31
  4. Step 4: Simplify right side
    38,331,245.14x = 1,107,003,431,818,128.12
  5. Step 5: Solve for x
    x = 1,107,003,431,818,128.12/38,331,245.14
  6. Step 6: Final answer
    x = 28,879,923.62

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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.