Home / 11,335,420.80-17,003,131.20-7,304,342.40

Finding the Fourth Proportional to 11,335,420.80, 17,003,131.20 and 7,304,342.40

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Solution

The fourth proportional to 11,335,420.80, 17,003,131.20 and 7,304,342.40 is: 10,956,513.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,335,420.80 : 17,003,131.20 = 7,304,342.40 : x
  2. Step 2: Convert to fraction form
    11,335,420.80/17,003,131.20 = 7,304,342.40/x
  3. Step 3: Cross multiply
    11,335,420.80x = 17,003,131.20 × 7,304,342.40
  4. Step 4: Simplify right side
    11,335,420.80x = 124,196,692,156,922.88
  5. Step 5: Solve for x
    x = 124,196,692,156,922.88/11,335,420.80
  6. Step 6: Final answer
    x = 10,956,513.60

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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.