Home / 26,113,108.40-39,169,662.60-19,743,009.20

Finding the Fourth Proportional to 26,113,108.40, 39,169,662.60 and 19,743,009.20

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Solution

The fourth proportional to 26,113,108.40, 39,169,662.60 and 19,743,009.20 is: 29,614,513.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,113,108.40 : 39,169,662.60 = 19,743,009.20 : x
  2. Step 2: Convert to fraction form
    26,113,108.40/39,169,662.60 = 19,743,009.20/x
  3. Step 3: Cross multiply
    26,113,108.40x = 39,169,662.60 × 19,743,009.20
  4. Step 4: Simplify right side
    26,113,108.40x = 773,327,009,072,695.88
  5. Step 5: Solve for x
    x = 773,327,009,072,695.88/26,113,108.40
  6. Step 6: Final answer
    x = 29,614,513.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.