Home / 19,143,397.72-28,720,656.42-6,189,271.96

Finding the Fourth Proportional to 19,143,397.72, 28,720,656.42 and 6,189,271.96

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Solution

The fourth proportional to 19,143,397.72, 28,720,656.42 and 6,189,271.96 is: 9,285,705.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,143,397.72 : 28,720,656.42 = 6,189,271.96 : x
  2. Step 2: Convert to fraction form
    19,143,397.72/28,720,656.42 = 6,189,271.96/x
  3. Step 3: Cross multiply
    19,143,397.72x = 28,720,656.42 × 6,189,271.96
  4. Step 4: Simplify right side
    19,143,397.72x = 177,759,953,453,100
  5. Step 5: Solve for x
    x = 177,759,953,453,100/19,143,397.72
  6. Step 6: Final answer
    x = 9,285,705.50

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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.