Home / 22,573,174.70-31,149,938.50-12,783,688.94

Finding the Fourth Proportional to 22,573,174.70, 31,149,938.50 and 12,783,688.94

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Solution

The fourth proportional to 22,573,174.70, 31,149,938.50 and 12,783,688.94 is: 17,640,900.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,573,174.70 : 31,149,938.50 = 12,783,688.94 : x
  2. Step 2: Convert to fraction form
    22,573,174.70/31,149,938.50 = 12,783,688.94/x
  3. Step 3: Cross multiply
    22,573,174.70x = 31,149,938.50 × 12,783,688.94
  4. Step 4: Simplify right side
    22,573,174.70x = 398,211,124,330,045.81
  5. Step 5: Solve for x
    x = 398,211,124,330,045.81/22,573,174.70
  6. Step 6: Final answer
    x = 17,640,900.30

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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.