Home / 10,407,790.80-15,613,173.36-3,219,938.28

Finding the Fourth Proportional to 10,407,790.80, 15,613,173.36 and 3,219,938.28

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Solution

The fourth proportional to 10,407,790.80, 15,613,173.36 and 3,219,938.28 is: 4,830,367.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,407,790.80 : 15,613,173.36 = 3,219,938.28 : x
  2. Step 2: Convert to fraction form
    10,407,790.80/15,613,173.36 = 3,219,938.28/x
  3. Step 3: Cross multiply
    10,407,790.80x = 15,613,173.36 × 3,219,938.28
  4. Step 4: Simplify right side
    10,407,790.80x = 50,273,454,574,140.22
  5. Step 5: Solve for x
    x = 50,273,454,574,140.22/10,407,790.80
  6. Step 6: Final answer
    x = 4,830,367.51

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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.