Home / 28,061,867.70-42,092,801.55-18,814,794.30

Finding the Fourth Proportional to 28,061,867.70, 42,092,801.55 and 18,814,794.30

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Solution

The fourth proportional to 28,061,867.70, 42,092,801.55 and 18,814,794.30 is: 28,222,191.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,061,867.70 : 42,092,801.55 = 18,814,794.30 : x
  2. Step 2: Convert to fraction form
    28,061,867.70/42,092,801.55 = 18,814,794.30/x
  3. Step 3: Cross multiply
    28,061,867.70x = 42,092,801.55 × 18,814,794.30
  4. Step 4: Simplify right side
    28,061,867.70x = 791,967,402,673,971.12
  5. Step 5: Solve for x
    x = 791,967,402,673,971.12/28,061,867.70
  6. Step 6: Final answer
    x = 28,222,191.45

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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.