Home / 28,985,679.77-40,000,321.13-16,595,963.24

Finding the Fourth Proportional to 28,985,679.77, 40,000,321.13 and 16,595,963.24

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Solution

The fourth proportional to 28,985,679.77, 40,000,321.13 and 16,595,963.24 is: 22,902,476.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,985,679.77 : 40,000,321.13 = 16,595,963.24 : x
  2. Step 2: Convert to fraction form
    28,985,679.77/40,000,321.13 = 16,595,963.24/x
  3. Step 3: Cross multiply
    28,985,679.77x = 40,000,321.13 × 16,595,963.24
  4. Step 4: Simplify right side
    28,985,679.77x = 663,843,858,778,693.88
  5. Step 5: Solve for x
    x = 663,843,858,778,693.88/28,985,679.77
  6. Step 6: Final answer
    x = 22,902,476.81

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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.