Home / 19,151,312.16-26,404,906.32-12,264,471.84

Finding the Fourth Proportional to 19,151,312.16, 26,404,906.32 and 12,264,471.84

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Solution

The fourth proportional to 19,151,312.16, 26,404,906.32 and 12,264,471.84 is: 16,909,662.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,151,312.16 : 26,404,906.32 = 12,264,471.84 : x
  2. Step 2: Convert to fraction form
    19,151,312.16/26,404,906.32 = 12,264,471.84/x
  3. Step 3: Cross multiply
    19,151,312.16x = 26,404,906.32 × 12,264,471.84
  4. Step 4: Simplify right side
    19,151,312.16x = 323,842,229,999,478
  5. Step 5: Solve for x
    x = 323,842,229,999,478/19,151,312.16
  6. Step 6: Final answer
    x = 16,909,662.76

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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.