Home / 13,058,214.72-19,590,639.84-7,671,419.52

Finding the Fourth Proportional to 13,058,214.72, 19,590,639.84 and 7,671,419.52

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Solution

The fourth proportional to 13,058,214.72, 19,590,639.84 and 7,671,419.52 is: 11,509,078.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,058,214.72 : 19,590,639.84 = 7,671,419.52 : x
  2. Step 2: Convert to fraction form
    13,058,214.72/19,590,639.84 = 7,671,419.52/x
  3. Step 3: Cross multiply
    13,058,214.72x = 19,590,639.84 × 7,671,419.52
  4. Step 4: Simplify right side
    13,058,214.72x = 150,288,016,877,865.66
  5. Step 5: Solve for x
    x = 150,288,016,877,865.66/13,058,214.72
  6. Step 6: Final answer
    x = 11,509,078.39

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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.