Home / 13,076,238.63-18,045,375.32-7,196,549.79

Finding the Fourth Proportional to 13,076,238.63, 18,045,375.32 and 7,196,549.79

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Solution

The fourth proportional to 13,076,238.63, 18,045,375.32 and 7,196,549.79 is: 9,931,330.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,076,238.63 : 18,045,375.32 = 7,196,549.79 : x
  2. Step 2: Convert to fraction form
    13,076,238.63/18,045,375.32 = 7,196,549.79/x
  3. Step 3: Cross multiply
    13,076,238.63x = 18,045,375.32 × 7,196,549.79
  4. Step 4: Simplify right side
    13,076,238.63x = 129,864,441,969,617.19
  5. Step 5: Solve for x
    x = 129,864,441,969,617.19/13,076,238.63
  6. Step 6: Final answer
    x = 9,931,330.07

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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.