Home / 18,923,734.90-26,114,750.40-10,221,907.78

Finding the Fourth Proportional to 18,923,734.90, 26,114,750.40 and 10,221,907.78

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Solution

The fourth proportional to 18,923,734.90, 26,114,750.40 and 10,221,907.78 is: 14,106,230.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,923,734.90 : 26,114,750.40 = 10,221,907.78 : x
  2. Step 2: Convert to fraction form
    18,923,734.90/26,114,750.40 = 10,221,907.78/x
  3. Step 3: Cross multiply
    18,923,734.90x = 26,114,750.40 × 10,221,907.78
  4. Step 4: Simplify right side
    18,923,734.90x = 266,942,570,286,518.09
  5. Step 5: Solve for x
    x = 266,942,570,286,518.09/18,923,734.90
  6. Step 6: Final answer
    x = 14,106,230.70

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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.