Home / 31,206,821.40-46,810,232.10-19,113,586.20

Finding the Fourth Proportional to 31,206,821.40, 46,810,232.10 and 19,113,586.20

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Solution

The fourth proportional to 31,206,821.40, 46,810,232.10 and 19,113,586.20 is: 28,670,379.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,206,821.40 : 46,810,232.10 = 19,113,586.20 : x
  2. Step 2: Convert to fraction form
    31,206,821.40/46,810,232.10 = 19,113,586.20/x
  3. Step 3: Cross multiply
    31,206,821.40x = 46,810,232.10 × 19,113,586.20
  4. Step 4: Simplify right side
    31,206,821.40x = 894,711,406,285,357
  5. Step 5: Solve for x
    x = 894,711,406,285,357/31,206,821.40
  6. Step 6: Final answer
    x = 28,670,379.30

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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.