Home / 39,861,352.98-55,008,666.67-21,526,638.48

Finding the Fourth Proportional to 39,861,352.98, 55,008,666.67 and 21,526,638.48

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Solution

The fourth proportional to 39,861,352.98, 55,008,666.67 and 21,526,638.48 is: 29,706,760.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,861,352.98 : 55,008,666.67 = 21,526,638.48 : x
  2. Step 2: Convert to fraction form
    39,861,352.98/55,008,666.67 = 21,526,638.48/x
  3. Step 3: Cross multiply
    39,861,352.98x = 55,008,666.67 × 21,526,638.48
  4. Step 4: Simplify right side
    39,861,352.98x = 1,184,151,680,671,915.50
  5. Step 5: Solve for x
    x = 1,184,151,680,671,915.50/39,861,352.98
  6. Step 6: Final answer
    x = 29,706,760.86

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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.