Home / 13,052,192.24-18,013,686.16-7,895,590.72

Finding the Fourth Proportional to 13,052,192.24, 18,013,686.16 and 7,895,590.72

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Solution

The fourth proportional to 13,052,192.24, 18,013,686.16 and 7,895,590.72 is: 10,896,919.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,052,192.24 : 18,013,686.16 = 7,895,590.72 : x
  2. Step 2: Convert to fraction form
    13,052,192.24/18,013,686.16 = 7,895,590.72/x
  3. Step 3: Cross multiply
    13,052,192.24x = 18,013,686.16 × 7,895,590.72
  4. Step 4: Simplify right side
    13,052,192.24x = 142,228,693,277,888.44
  5. Step 5: Solve for x
    x = 142,228,693,277,888.44/13,052,192.24
  6. Step 6: Final answer
    x = 10,896,919.89

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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.