Home / 31,131,657.45-46,697,486.18-19,822,243.05

Finding the Fourth Proportional to 31,131,657.45, 46,697,486.18 and 19,822,243.05

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Solution

The fourth proportional to 31,131,657.45, 46,697,486.18 and 19,822,243.05 is: 29,733,364.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,131,657.45 : 46,697,486.18 = 19,822,243.05 : x
  2. Step 2: Convert to fraction form
    31,131,657.45/46,697,486.18 = 19,822,243.05/x
  3. Step 3: Cross multiply
    31,131,657.45x = 46,697,486.18 × 19,822,243.05
  4. Step 4: Simplify right side
    31,131,657.45x = 925,648,920,784,864.75
  5. Step 5: Solve for x
    x = 925,648,920,784,864.75/31,131,657.45
  6. Step 6: Final answer
    x = 29,733,364.58

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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.