Home / 13,285,510.70-19,928,266.05-8,498,605.10

Finding the Fourth Proportional to 13,285,510.70, 19,928,266.05 and 8,498,605.10

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Solution

The fourth proportional to 13,285,510.70, 19,928,266.05 and 8,498,605.10 is: 12,747,907.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,285,510.70 : 19,928,266.05 = 8,498,605.10 : x
  2. Step 2: Convert to fraction form
    13,285,510.70/19,928,266.05 = 8,498,605.10/x
  3. Step 3: Cross multiply
    13,285,510.70x = 19,928,266.05 × 8,498,605.10
  4. Step 4: Simplify right side
    13,285,510.70x = 169,362,463,486,686.84
  5. Step 5: Solve for x
    x = 169,362,463,486,686.84/13,285,510.70
  6. Step 6: Final answer
    x = 12,747,907.65

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Double scale
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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.