Home / 10,470,494.78-15,705,624.56-4,085,231.02

Finding the Fourth Proportional to 10,470,494.78, 15,705,624.56 and 4,085,231.02

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Solution

The fourth proportional to 10,470,494.78, 15,705,624.56 and 4,085,231.02 is: 6,127,800.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,470,494.78 : 15,705,624.56 = 4,085,231.02 : x
  2. Step 2: Convert to fraction form
    10,470,494.78/15,705,624.56 = 4,085,231.02/x
  3. Step 3: Cross multiply
    10,470,494.78x = 15,705,624.56 × 4,085,231.02
  4. Step 4: Simplify right side
    10,470,494.78x = 64,161,104,640,985.85
  5. Step 5: Solve for x
    x = 64,161,104,640,985.85/10,470,494.78
  6. Step 6: Final answer
    x = 6,127,800.64

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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.