Home / 21,307,500.14-31,957,751.01-9,173,696.90

Finding the Fourth Proportional to 21,307,500.14, 31,957,751.01 and 9,173,696.90

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Solution

The fourth proportional to 21,307,500.14, 31,957,751.01 and 9,173,696.90 is: 13,759,038.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,307,500.14 : 31,957,751.01 = 9,173,696.90 : x
  2. Step 2: Convert to fraction form
    21,307,500.14/31,957,751.01 = 9,173,696.90/x
  3. Step 3: Cross multiply
    21,307,500.14x = 31,957,751.01 × 9,173,696.90
  4. Step 4: Simplify right side
    21,307,500.14x = 293,170,721,371,408.88
  5. Step 5: Solve for x
    x = 293,170,721,371,408.88/21,307,500.14
  6. Step 6: Final answer
    x = 13,759,038.81

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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.