Home / 8,058,631.60-12,087,947.40-7,246,817.20

Finding the Fourth Proportional to 8,058,631.60, 12,087,947.40 and 7,246,817.20

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Solution

The fourth proportional to 8,058,631.60, 12,087,947.40 and 7,246,817.20 is: 10,870,225.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,058,631.60 : 12,087,947.40 = 7,246,817.20 : x
  2. Step 2: Convert to fraction form
    8,058,631.60/12,087,947.40 = 7,246,817.20/x
  3. Step 3: Cross multiply
    8,058,631.60x = 12,087,947.40 × 7,246,817.20
  4. Step 4: Simplify right side
    8,058,631.60x = 87,599,145,131,015.28
  5. Step 5: Solve for x
    x = 87,599,145,131,015.28/8,058,631.60
  6. Step 6: Final answer
    x = 10,870,225.80

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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.