Home / 18,843,629.40-28,265,444.10-15,761,271.60

Finding the Fourth Proportional to 18,843,629.40, 28,265,444.10 and 15,761,271.60

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Solution

The fourth proportional to 18,843,629.40, 28,265,444.10 and 15,761,271.60 is: 23,641,907.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,843,629.40 : 28,265,444.10 = 15,761,271.60 : x
  2. Step 2: Convert to fraction form
    18,843,629.40/28,265,444.10 = 15,761,271.60/x
  3. Step 3: Cross multiply
    18,843,629.40x = 28,265,444.10 × 15,761,271.60
  4. Step 4: Simplify right side
    18,843,629.40x = 445,499,341,354,717.56
  5. Step 5: Solve for x
    x = 445,499,341,354,717.56/18,843,629.40
  6. Step 6: Final answer
    x = 23,641,907.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.