Home / 31,509,627.20-47,263,749.60-8,789,883.20

Finding the Fourth Proportional to 31,509,627.20, 47,263,749.60 and 8,789,883.20

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Solution

The fourth proportional to 31,509,627.20, 47,263,749.60 and 8,789,883.20 is: 13,184,631.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,509,627.20 : 47,263,749.60 = 8,789,883.20 : x
  2. Step 2: Convert to fraction form
    31,509,627.20/47,263,749.60 = 8,789,883.20/x
  3. Step 3: Cross multiply
    31,509,627.20x = 47,263,749.60 × 8,789,883.20
  4. Step 4: Simplify right side
    31,509,627.20x = 415,442,838,578,046.69
  5. Step 5: Solve for x
    x = 415,442,838,578,046.69/31,509,627.20
  6. Step 6: Final answer
    x = 13,184,631.98

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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.