Home / 12,471,002.70-18,702,616.05-4,900,289.10

Finding the Fourth Proportional to 12,471,002.70, 18,702,616.05 and 4,900,289.10

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Solution

The fourth proportional to 12,471,002.70, 18,702,616.05 and 4,900,289.10 is: 7,348,905.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,471,002.70 : 18,702,616.05 = 4,900,289.10 : x
  2. Step 2: Convert to fraction form
    12,471,002.70/18,702,616.05 = 4,900,289.10/x
  3. Step 3: Cross multiply
    12,471,002.70x = 18,702,616.05 × 4,900,289.10
  4. Step 4: Simplify right side
    12,471,002.70x = 91,648,225,571,300.05
  5. Step 5: Solve for x
    x = 91,648,225,571,300.05/12,471,002.70
  6. Step 6: Final answer
    x = 7,348,905.92

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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.