Home / 13,076,997.87-18,045,975.45-7,570,605.72

Finding the Fourth Proportional to 13,076,997.87, 18,045,975.45 and 7,570,605.72

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Solution

The fourth proportional to 13,076,997.87, 18,045,975.45 and 7,570,605.72 is: 10,447,272.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,076,997.87 : 18,045,975.45 = 7,570,605.72 : x
  2. Step 2: Convert to fraction form
    13,076,997.87/18,045,975.45 = 7,570,605.72/x
  3. Step 3: Cross multiply
    13,076,997.87x = 18,045,975.45 × 7,570,605.72
  4. Step 4: Simplify right side
    13,076,997.87x = 136,618,964,964,749.56
  5. Step 5: Solve for x
    x = 136,618,964,964,749.56/13,076,997.87
  6. Step 6: Final answer
    x = 10,447,272.86

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1.5x scale

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.