Home / 12,509,638.24-17,263,168.64-7,003,058.40

Finding the Fourth Proportional to 12,509,638.24, 17,263,168.64 and 7,003,058.40

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Solution

The fourth proportional to 12,509,638.24, 17,263,168.64 and 7,003,058.40 is: 9,664,146.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,509,638.24 : 17,263,168.64 = 7,003,058.40 : x
  2. Step 2: Convert to fraction form
    12,509,638.24/17,263,168.64 = 7,003,058.40/x
  3. Step 3: Cross multiply
    12,509,638.24x = 17,263,168.64 × 7,003,058.40
  4. Step 4: Simplify right side
    12,509,638.24x = 120,894,978,154,968.59
  5. Step 5: Solve for x
    x = 120,894,978,154,968.59/12,509,638.24
  6. Step 6: Final answer
    x = 9,664,146.62

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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.