Home / 19,149,743.70-28,724,615.55-18,618,302.70

Finding the Fourth Proportional to 19,149,743.70, 28,724,615.55 and 18,618,302.70

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Solution

The fourth proportional to 19,149,743.70, 28,724,615.55 and 18,618,302.70 is: 27,927,454.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,149,743.70 : 28,724,615.55 = 18,618,302.70 : x
  2. Step 2: Convert to fraction form
    19,149,743.70/28,724,615.55 = 18,618,302.70/x
  3. Step 3: Cross multiply
    19,149,743.70x = 28,724,615.55 × 18,618,302.70
  4. Step 4: Simplify right side
    19,149,743.70x = 534,803,587,251,027
  5. Step 5: Solve for x
    x = 534,803,587,251,027/19,149,743.70
  6. Step 6: Final answer
    x = 27,927,454.05

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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.