Home / 31,302,000.20-46,953,000.30-8,272,890.20

Finding the Fourth Proportional to 31,302,000.20, 46,953,000.30 and 8,272,890.20

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Solution

The fourth proportional to 31,302,000.20, 46,953,000.30 and 8,272,890.20 is: 12,409,335.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,302,000.20 : 46,953,000.30 = 8,272,890.20 : x
  2. Step 2: Convert to fraction form
    31,302,000.20/46,953,000.30 = 8,272,890.20/x
  3. Step 3: Cross multiply
    31,302,000.20x = 46,953,000.30 × 8,272,890.20
  4. Step 4: Simplify right side
    31,302,000.20x = 388,437,016,042,467.06
  5. Step 5: Solve for x
    x = 388,437,016,042,467.06/31,302,000.20
  6. Step 6: Final answer
    x = 12,409,335.30

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Similar ratio
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1.5x scale

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.