Home / 13,658,485.72-20,489,952.02-6,379,224.70

Finding the Fourth Proportional to 13,658,485.72, 20,489,952.02 and 6,379,224.70

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Solution

The fourth proportional to 13,658,485.72, 20,489,952.02 and 6,379,224.70 is: 9,569,875.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,658,485.72 : 20,489,952.02 = 6,379,224.70 : x
  2. Step 2: Convert to fraction form
    13,658,485.72/20,489,952.02 = 6,379,224.70/x
  3. Step 3: Cross multiply
    13,658,485.72x = 20,489,952.02 × 6,379,224.70
  4. Step 4: Simplify right side
    13,658,485.72x = 130,710,008,027,798.89
  5. Step 5: Solve for x
    x = 130,710,008,027,798.89/13,658,485.72
  6. Step 6: Final answer
    x = 9,569,875.51

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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.