Home / 18,413,852.32-25,412,628.72-10,155,529.72

Finding the Fourth Proportional to 18,413,852.32, 25,412,628.72 and 10,155,529.72

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Solution

The fourth proportional to 18,413,852.32, 25,412,628.72 and 10,155,529.72 is: 14,015,465.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,413,852.32 : 25,412,628.72 = 10,155,529.72 : x
  2. Step 2: Convert to fraction form
    18,413,852.32/25,412,628.72 = 10,155,529.72/x
  3. Step 3: Cross multiply
    18,413,852.32x = 25,412,628.72 × 10,155,529.72
  4. Step 4: Simplify right side
    18,413,852.32x = 258,078,706,229,285.56
  5. Step 5: Solve for x
    x = 258,078,706,229,285.56/18,413,852.32
  6. Step 6: Final answer
    x = 14,015,465.19

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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.