Home / 30,522,650.57-42,121,248.09-16,772,500.43

Finding the Fourth Proportional to 30,522,650.57, 42,121,248.09 and 16,772,500.43

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Solution

The fourth proportional to 30,522,650.57, 42,121,248.09 and 16,772,500.43 is: 23,146,045.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,522,650.57 : 42,121,248.09 = 16,772,500.43 : x
  2. Step 2: Convert to fraction form
    30,522,650.57/42,121,248.09 = 16,772,500.43/x
  3. Step 3: Cross multiply
    30,522,650.57x = 42,121,248.09 × 16,772,500.43
  4. Step 4: Simplify right side
    30,522,650.57x = 706,478,651,491,055.50
  5. Step 5: Solve for x
    x = 706,478,651,491,055.50/30,522,650.57
  6. Step 6: Final answer
    x = 23,146,045.26

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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.