Home / 13,674,345.44-18,876,407.12-8,520,253.46

Finding the Fourth Proportional to 13,674,345.44, 18,876,407.12 and 8,520,253.46

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Solution

The fourth proportional to 13,674,345.44, 18,876,407.12 and 8,520,253.46 is: 11,761,570.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,674,345.44 : 18,876,407.12 = 8,520,253.46 : x
  2. Step 2: Convert to fraction form
    13,674,345.44/18,876,407.12 = 8,520,253.46/x
  3. Step 3: Cross multiply
    13,674,345.44x = 18,876,407.12 × 8,520,253.46
  4. Step 4: Simplify right side
    13,674,345.44x = 160,831,773,076,548.66
  5. Step 5: Solve for x
    x = 160,831,773,076,548.66/13,674,345.44
  6. Step 6: Final answer
    x = 11,761,570.14

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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.