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Finding the Fourth Proportional to 26,019,978.76, 35,907,535.14 and 14,418,293.32

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Solution

The fourth proportional to 26,019,978.76, 35,907,535.14 and 14,418,293.32 is: 19,897,225.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,019,978.76 : 35,907,535.14 = 14,418,293.32 : x
  2. Step 2: Convert to fraction form
    26,019,978.76/35,907,535.14 = 14,418,293.32/x
  3. Step 3: Cross multiply
    26,019,978.76x = 35,907,535.14 × 14,418,293.32
  4. Step 4: Simplify right side
    26,019,978.76x = 517,725,374,046,727.31
  5. Step 5: Solve for x
    x = 517,725,374,046,727.31/26,019,978.76
  6. Step 6: Final answer
    x = 19,897,225.08

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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.