Home / 7,453,138.80-10,285,348.56-4,189,980.36

Finding the Fourth Proportional to 7,453,138.80, 10,285,348.56 and 4,189,980.36

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Solution

The fourth proportional to 7,453,138.80, 10,285,348.56 and 4,189,980.36 is: 5,782,182.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,453,138.80 : 10,285,348.56 = 4,189,980.36 : x
  2. Step 2: Convert to fraction form
    7,453,138.80/10,285,348.56 = 4,189,980.36/x
  3. Step 3: Cross multiply
    7,453,138.80x = 10,285,348.56 × 4,189,980.36
  4. Step 4: Simplify right side
    7,453,138.80x = 43,095,408,462,154.28
  5. Step 5: Solve for x
    x = 43,095,408,462,154.28/7,453,138.80
  6. Step 6: Final answer
    x = 5,782,182.46

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1.5x scale

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.