Home / 31,212,000.20-46,818,000.30-19,902,585.80

Finding the Fourth Proportional to 31,212,000.20, 46,818,000.30 and 19,902,585.80

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Solution

The fourth proportional to 31,212,000.20, 46,818,000.30 and 19,902,585.80 is: 29,853,878.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,212,000.20 : 46,818,000.30 = 19,902,585.80 : x
  2. Step 2: Convert to fraction form
    31,212,000.20/46,818,000.30 = 19,902,585.80/x
  3. Step 3: Cross multiply
    31,212,000.20x = 46,818,000.30 × 19,902,585.80
  4. Step 4: Simplify right side
    31,212,000.20x = 931,799,267,955,175.75
  5. Step 5: Solve for x
    x = 931,799,267,955,175.75/31,212,000.20
  6. Step 6: Final answer
    x = 29,853,878.70

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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.