Home / 12,886,506.36-17,783,449.07-7,588,432.44

Finding the Fourth Proportional to 12,886,506.36, 17,783,449.07 and 7,588,432.44

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Solution

The fourth proportional to 12,886,506.36, 17,783,449.07 and 7,588,432.44 is: 10,472,078.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,886,506.36 : 17,783,449.07 = 7,588,432.44 : x
  2. Step 2: Convert to fraction form
    12,886,506.36/17,783,449.07 = 7,588,432.44/x
  3. Step 3: Cross multiply
    12,886,506.36x = 17,783,449.07 × 7,588,432.44
  4. Step 4: Simplify right side
    12,886,506.36x = 134,948,501,779,933.69
  5. Step 5: Solve for x
    x = 134,948,501,779,933.69/12,886,506.36
  6. Step 6: Final answer
    x = 10,472,078.16

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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.