Home / 30,461,521.37-42,036,691.10-16,522,820.37

Finding the Fourth Proportional to 30,461,521.37, 42,036,691.10 and 16,522,820.37

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Solution

The fourth proportional to 30,461,521.37, 42,036,691.10 and 16,522,820.37 is: 22,801,379.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,461,521.37 : 42,036,691.10 = 16,522,820.37 : x
  2. Step 2: Convert to fraction form
    30,461,521.37/42,036,691.10 = 16,522,820.37/x
  3. Step 3: Cross multiply
    30,461,521.37x = 42,036,691.10 × 16,522,820.37
  4. Step 4: Simplify right side
    30,461,521.37x = 694,564,695,911,863.50
  5. Step 5: Solve for x
    x = 694,564,695,911,863.50/30,461,521.37
  6. Step 6: Final answer
    x = 22,801,379.08

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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.