Home / 13,058,068.72-19,590,420.84-7,671,273.52

Finding the Fourth Proportional to 13,058,068.72, 19,590,420.84 and 7,671,273.52

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Solution

The fourth proportional to 13,058,068.72, 19,590,420.84 and 7,671,273.52 is: 11,508,859.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,058,068.72 : 19,590,420.84 = 7,671,273.52 : x
  2. Step 2: Convert to fraction form
    13,058,068.72/19,590,420.84 = 7,671,273.52/x
  3. Step 3: Cross multiply
    13,058,068.72x = 19,590,420.84 × 7,671,273.52
  4. Step 4: Simplify right side
    13,058,068.72x = 150,283,476,635,548.16
  5. Step 5: Solve for x
    x = 150,283,476,635,548.16/13,058,068.72
  6. Step 6: Final answer
    x = 11,508,859.38

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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.