Home / 12,903,202.80-19,354,856.38-5,226,992.81

Finding the Fourth Proportional to 12,903,202.80, 19,354,856.38 and 5,226,992.81

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Solution

The fourth proportional to 12,903,202.80, 19,354,856.38 and 5,226,992.81 is: 7,840,510.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,903,202.80 : 19,354,856.38 = 5,226,992.81 : x
  2. Step 2: Convert to fraction form
    12,903,202.80/19,354,856.38 = 5,226,992.81/x
  3. Step 3: Cross multiply
    12,903,202.80x = 19,354,856.38 × 5,226,992.81
  4. Step 4: Simplify right side
    12,903,202.80x = 101,167,695,099,581.58
  5. Step 5: Solve for x
    x = 101,167,695,099,581.58/12,903,202.80
  6. Step 6: Final answer
    x = 7,840,510.35

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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.