Home / 10,121,051.56-13,967,252.82-5,537,471.32

Finding the Fourth Proportional to 10,121,051.56, 13,967,252.82 and 5,537,471.32

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Solution

The fourth proportional to 10,121,051.56, 13,967,252.82 and 5,537,471.32 is: 7,641,820.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,121,051.56 : 13,967,252.82 = 5,537,471.32 : x
  2. Step 2: Convert to fraction form
    10,121,051.56/13,967,252.82 = 5,537,471.32/x
  3. Step 3: Cross multiply
    10,121,051.56x = 13,967,252.82 × 5,537,471.32
  4. Step 4: Simplify right side
    10,121,051.56x = 77,343,261,909,939.12
  5. Step 5: Solve for x
    x = 77,343,261,909,939.12/10,121,051.56
  6. Step 6: Final answer
    x = 7,641,820.76

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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.