Home / 18,833,195.45-28,250,120.96-5,186,271.71

Finding the Fourth Proportional to 18,833,195.45, 28,250,120.96 and 5,186,271.71

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Solution

The fourth proportional to 18,833,195.45, 28,250,120.96 and 5,186,271.71 is: 7,779,497.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,833,195.45 : 28,250,120.96 = 5,186,271.71 : x
  2. Step 2: Convert to fraction form
    18,833,195.45/28,250,120.96 = 5,186,271.71/x
  3. Step 3: Cross multiply
    18,833,195.45x = 28,250,120.96 × 5,186,271.71
  4. Step 4: Simplify right side
    18,833,195.45x = 146,512,803,112,994.69
  5. Step 5: Solve for x
    x = 146,512,803,112,994.69/18,833,195.45
  6. Step 6: Final answer
    x = 7,779,497.83

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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.