Home / 10,290,739.37-14,201,121.69-5,644,427.90

Finding the Fourth Proportional to 10,290,739.37, 14,201,121.69 and 5,644,427.90

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Solution

The fourth proportional to 10,290,739.37, 14,201,121.69 and 5,644,427.90 is: 7,789,256.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,290,739.37 : 14,201,121.69 = 5,644,427.90 : x
  2. Step 2: Convert to fraction form
    10,290,739.37/14,201,121.69 = 5,644,427.90/x
  3. Step 3: Cross multiply
    10,290,739.37x = 14,201,121.69 × 5,644,427.90
  4. Step 4: Simplify right side
    10,290,739.37x = 80,157,207,407,325.53
  5. Step 5: Solve for x
    x = 80,157,207,407,325.53/10,290,739.37
  6. Step 6: Final answer
    x = 7,789,256.39

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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.