Home / 31,503,817.60-47,184,867.60-18,749,233.60

Finding the Fourth Proportional to 31,503,817.60, 47,184,867.60 and 18,749,233.60

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Solution

The fourth proportional to 31,503,817.60, 47,184,867.60 and 18,749,233.60 is: 28,081,679.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,503,817.60 : 47,184,867.60 = 18,749,233.60 : x
  2. Step 2: Convert to fraction form
    31,503,817.60/47,184,867.60 = 18,749,233.60/x
  3. Step 3: Cross multiply
    31,503,817.60x = 47,184,867.60 × 18,749,233.60
  4. Step 4: Simplify right side
    31,503,817.60x = 884,680,105,017,471.50
  5. Step 5: Solve for x
    x = 884,680,105,017,471.50/31,503,817.60
  6. Step 6: Final answer
    x = 28,081,679.38

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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.