Home / 19,143,390.72-28,720,645.92-6,189,264.96

Finding the Fourth Proportional to 19,143,390.72, 28,720,645.92 and 6,189,264.96

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Solution

The fourth proportional to 19,143,390.72, 28,720,645.92 and 6,189,264.96 is: 9,285,695.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,143,390.72 : 28,720,645.92 = 6,189,264.96 : x
  2. Step 2: Convert to fraction form
    19,143,390.72/28,720,645.92 = 6,189,264.96/x
  3. Step 3: Cross multiply
    19,143,390.72x = 28,720,645.92 × 6,189,264.96
  4. Step 4: Simplify right side
    19,143,390.72x = 177,759,687,421,222.97
  5. Step 5: Solve for x
    x = 177,759,687,421,222.97/19,143,390.72
  6. Step 6: Final answer
    x = 9,285,695.00

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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.