Home / 31,893,440.40-47,783,136.60-19,406,912.40

Finding the Fourth Proportional to 31,893,440.40, 47,783,136.60 and 19,406,912.40

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Solution

The fourth proportional to 31,893,440.40, 47,783,136.60 and 19,406,912.40 is: 29,075,669.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,893,440.40 : 47,783,136.60 = 19,406,912.40 : x
  2. Step 2: Convert to fraction form
    31,893,440.40/47,783,136.60 = 19,406,912.40/x
  3. Step 3: Cross multiply
    31,893,440.40x = 47,783,136.60 × 19,406,912.40
  4. Step 4: Simplify right side
    31,893,440.40x = 927,323,146,193,433.75
  5. Step 5: Solve for x
    x = 927,323,146,193,433.75/31,893,440.40
  6. Step 6: Final answer
    x = 29,075,669.94

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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.