Home / 31,503,812.60-47,184,860.10-18,749,228.60

Finding the Fourth Proportional to 31,503,812.60, 47,184,860.10 and 18,749,228.60

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Solution

The fourth proportional to 31,503,812.60, 47,184,860.10 and 18,749,228.60 is: 28,081,671.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,503,812.60 : 47,184,860.10 = 18,749,228.60 : x
  2. Step 2: Convert to fraction form
    31,503,812.60/47,184,860.10 = 18,749,228.60/x
  3. Step 3: Cross multiply
    31,503,812.60x = 47,184,860.10 × 18,749,228.60
  4. Step 4: Simplify right side
    31,503,812.60x = 884,679,728,473,919
  5. Step 5: Solve for x
    x = 884,679,728,473,919/31,503,812.60
  6. Step 6: Final answer
    x = 28,081,671.88

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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.