Home / 13,383,970.56-20,064,669.76-5,805,230.40

Finding the Fourth Proportional to 13,383,970.56, 20,064,669.76 and 5,805,230.40

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Solution

The fourth proportional to 13,383,970.56, 20,064,669.76 and 5,805,230.40 is: 8,702,950.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,383,970.56 : 20,064,669.76 = 5,805,230.40 : x
  2. Step 2: Convert to fraction form
    13,383,970.56/20,064,669.76 = 5,805,230.40/x
  3. Step 3: Cross multiply
    13,383,970.56x = 20,064,669.76 × 5,805,230.40
  4. Step 4: Simplify right side
    13,383,970.56x = 116,480,030,856,712.72
  5. Step 5: Solve for x
    x = 116,480,030,856,712.72/13,383,970.56
  6. Step 6: Final answer
    x = 8,702,950.32

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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.