Home / 13,076,990.37-18,045,965.10-7,570,598.22

Finding the Fourth Proportional to 13,076,990.37, 18,045,965.10 and 7,570,598.22

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Solution

The fourth proportional to 13,076,990.37, 18,045,965.10 and 7,570,598.22 is: 10,447,262.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,076,990.37 : 18,045,965.10 = 7,570,598.22 : x
  2. Step 2: Convert to fraction form
    13,076,990.37/18,045,965.10 = 7,570,598.22/x
  3. Step 3: Cross multiply
    13,076,990.37x = 18,045,965.10 × 7,570,598.22
  4. Step 4: Simplify right side
    13,076,990.37x = 136,618,751,264,242.12
  5. Step 5: Solve for x
    x = 136,618,751,264,242.12/13,076,990.37
  6. Step 6: Final answer
    x = 10,447,262.51

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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.