Home / 31,575,166.20-47,362,749.30-19,458,311.40

Finding the Fourth Proportional to 31,575,166.20, 47,362,749.30 and 19,458,311.40

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Solution

The fourth proportional to 31,575,166.20, 47,362,749.30 and 19,458,311.40 is: 29,187,467.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,575,166.20 : 47,362,749.30 = 19,458,311.40 : x
  2. Step 2: Convert to fraction form
    31,575,166.20/47,362,749.30 = 19,458,311.40/x
  3. Step 3: Cross multiply
    31,575,166.20x = 47,362,749.30 × 19,458,311.40
  4. Step 4: Simplify right side
    31,575,166.20x = 921,599,124,639,531.88
  5. Step 5: Solve for x
    x = 921,599,124,639,531.88/31,575,166.20
  6. Step 6: Final answer
    x = 29,187,467.10

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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.