Home / 19,319,697.72-26,660,619.18-11,059,486.20

Finding the Fourth Proportional to 19,319,697.72, 26,660,619.18 and 11,059,486.20

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Solution

The fourth proportional to 19,319,697.72, 26,660,619.18 and 11,059,486.20 is: 15,261,768.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,319,697.72 : 26,660,619.18 = 11,059,486.20 : x
  2. Step 2: Convert to fraction form
    19,319,697.72/26,660,619.18 = 11,059,486.20/x
  3. Step 3: Cross multiply
    19,319,697.72x = 26,660,619.18 × 11,059,486.20
  4. Step 4: Simplify right side
    19,319,697.72x = 294,852,749,904,665.31
  5. Step 5: Solve for x
    x = 294,852,749,904,665.31/19,319,697.72
  6. Step 6: Final answer
    x = 15,261,768.28

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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.