Home / 22,573,176.70-31,149,941.26-12,783,690.94

Finding the Fourth Proportional to 22,573,176.70, 31,149,941.26 and 12,783,690.94

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Solution

The fourth proportional to 22,573,176.70, 31,149,941.26 and 12,783,690.94 is: 17,640,903.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,573,176.70 : 31,149,941.26 = 12,783,690.94 : x
  2. Step 2: Convert to fraction form
    22,573,176.70/31,149,941.26 = 12,783,690.94/x
  3. Step 3: Cross multiply
    22,573,176.70x = 31,149,941.26 × 12,783,690.94
  4. Step 4: Simplify right side
    22,573,176.70x = 398,211,221,866,994.19
  5. Step 5: Solve for x
    x = 398,211,221,866,994.19/22,573,176.70
  6. Step 6: Final answer
    x = 17,640,903.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.