Home / 18,903,658.60-28,292,502.30-17,392,004.20

Finding the Fourth Proportional to 18,903,658.60, 28,292,502.30 and 17,392,004.20

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Solution

The fourth proportional to 18,903,658.60, 28,292,502.30 and 17,392,004.20 is: 26,030,057.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,903,658.60 : 28,292,502.30 = 17,392,004.20 : x
  2. Step 2: Convert to fraction form
    18,903,658.60/28,292,502.30 = 17,392,004.20/x
  3. Step 3: Cross multiply
    18,903,658.60x = 28,292,502.30 × 17,392,004.20
  4. Step 4: Simplify right side
    18,903,658.60x = 492,063,318,830,109.62
  5. Step 5: Solve for x
    x = 492,063,318,830,109.62/18,903,658.60
  6. Step 6: Final answer
    x = 26,030,057.42

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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.