Home / 12,724,200.45-19,086,300.68-6,656,587.65

Finding the Fourth Proportional to 12,724,200.45, 19,086,300.68 and 6,656,587.65

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Solution

The fourth proportional to 12,724,200.45, 19,086,300.68 and 6,656,587.65 is: 9,984,881.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,724,200.45 : 19,086,300.68 = 6,656,587.65 : x
  2. Step 2: Convert to fraction form
    12,724,200.45/19,086,300.68 = 6,656,587.65/x
  3. Step 3: Cross multiply
    12,724,200.45x = 19,086,300.68 × 6,656,587.65
  4. Step 4: Simplify right side
    12,724,200.45x = 127,049,633,357,391.67
  5. Step 5: Solve for x
    x = 127,049,633,357,391.67/12,724,200.45
  6. Step 6: Final answer
    x = 9,984,881.48

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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.