Home / 21,307,500.64-31,957,751.76-9,173,697.40

Finding the Fourth Proportional to 21,307,500.64, 31,957,751.76 and 9,173,697.40

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Solution

The fourth proportional to 21,307,500.64, 31,957,751.76 and 9,173,697.40 is: 13,759,039.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,307,500.64 : 31,957,751.76 = 9,173,697.40 : x
  2. Step 2: Convert to fraction form
    21,307,500.64/31,957,751.76 = 9,173,697.40/x
  3. Step 3: Cross multiply
    21,307,500.64x = 31,957,751.76 × 9,173,697.40
  4. Step 4: Simplify right side
    21,307,500.64x = 293,170,744,230,557.44
  5. Step 5: Solve for x
    x = 293,170,744,230,557.44/21,307,500.64
  6. Step 6: Final answer
    x = 13,759,039.56

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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.