Home / 18,487,812.10-27,748,667.40-9,396,234.40

Finding the Fourth Proportional to 18,487,812.10, 27,748,667.40 and 9,396,234.40

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Solution

The fourth proportional to 18,487,812.10, 27,748,667.40 and 9,396,234.40 is: 14,102,965.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,487,812.10 : 27,748,667.40 = 9,396,234.40 : x
  2. Step 2: Convert to fraction form
    18,487,812.10/27,748,667.40 = 9,396,234.40/x
  3. Step 3: Cross multiply
    18,487,812.10x = 27,748,667.40 × 9,396,234.40
  4. Step 4: Simplify right side
    18,487,812.10x = 260,732,983,178,038.56
  5. Step 5: Solve for x
    x = 260,732,983,178,038.56/18,487,812.10
  6. Step 6: Final answer
    x = 14,102,965.88

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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.