Home / 30,520,405.89-45,780,625.22-11,348,671.82

Finding the Fourth Proportional to 30,520,405.89, 45,780,625.22 and 11,348,671.82

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Solution

The fourth proportional to 30,520,405.89, 45,780,625.22 and 11,348,671.82 is: 17,023,013.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,520,405.89 : 45,780,625.22 = 11,348,671.82 : x
  2. Step 2: Convert to fraction form
    30,520,405.89/45,780,625.22 = 11,348,671.82/x
  3. Step 3: Cross multiply
    30,520,405.89x = 45,780,625.22 × 11,348,671.82
  4. Step 4: Simplify right side
    30,520,405.89x = 519,549,291,050,548.81
  5. Step 5: Solve for x
    x = 519,549,291,050,548.81/30,520,405.89
  6. Step 6: Final answer
    x = 17,023,013.81

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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.