Home / 13,426,446.70-20,092,430.85-12,292,705.90

Finding the Fourth Proportional to 13,426,446.70, 20,092,430.85 and 12,292,705.90

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Solution

The fourth proportional to 13,426,446.70, 20,092,430.85 and 12,292,705.90 is: 18,395,808.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,426,446.70 : 20,092,430.85 = 12,292,705.90 : x
  2. Step 2: Convert to fraction form
    13,426,446.70/20,092,430.85 = 12,292,705.90/x
  3. Step 3: Cross multiply
    13,426,446.70x = 20,092,430.85 × 12,292,705.90
  4. Step 4: Simplify right side
    13,426,446.70x = 246,990,343,255,137.03
  5. Step 5: Solve for x
    x = 246,990,343,255,137.03/13,426,446.70
  6. Step 6: Final answer
    x = 18,395,808.57

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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.