Home / 13,470,058.10-20,205,087.15-3,885,749.30

Finding the Fourth Proportional to 13,470,058.10, 20,205,087.15 and 3,885,749.30

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Solution

The fourth proportional to 13,470,058.10, 20,205,087.15 and 3,885,749.30 is: 5,828,623.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,470,058.10 : 20,205,087.15 = 3,885,749.30 : x
  2. Step 2: Convert to fraction form
    13,470,058.10/20,205,087.15 = 3,885,749.30/x
  3. Step 3: Cross multiply
    13,470,058.10x = 20,205,087.15 × 3,885,749.30
  4. Step 4: Simplify right side
    13,470,058.10x = 78,511,903,249,551.48
  5. Step 5: Solve for x
    x = 78,511,903,249,551.48/13,470,058.10
  6. Step 6: Final answer
    x = 5,828,623.95

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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.