Home / 28,955,034.30-43,432,516.60-7,389,638.30

Finding the Fourth Proportional to 28,955,034.30, 43,432,516.60 and 7,389,638.30

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Solution

The fourth proportional to 28,955,034.30, 43,432,516.60 and 7,389,638.30 is: 11,084,448.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,955,034.30 : 43,432,516.60 = 7,389,638.30 : x
  2. Step 2: Convert to fraction form
    28,955,034.30/43,432,516.60 = 7,389,638.30/x
  3. Step 3: Cross multiply
    28,955,034.30x = 43,432,516.60 × 7,389,638.30
  4. Step 4: Simplify right side
    28,955,034.30x = 320,950,588,132,745.81
  5. Step 5: Solve for x
    x = 320,950,588,132,745.81/28,955,034.30
  6. Step 6: Final answer
    x = 11,084,448.56

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1.5x scale

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.