Home / 7,174,316.96-9,900,634-3,955,168.16

Finding the Fourth Proportional to 7,174,316.96, 9,900,634 and 3,955,168.16

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Solution

The fourth proportional to 7,174,316.96, 9,900,634 and 3,955,168.16 is: 5,458,174.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,174,316.96 : 9,900,634 = 3,955,168.16 : x
  2. Step 2: Convert to fraction form
    7,174,316.96/9,900,634 = 3,955,168.16/x
  3. Step 3: Cross multiply
    7,174,316.96x = 9,900,634 × 3,955,168.16
  4. Step 4: Simplify right side
    7,174,316.96x = 39,158,672,360,613.45
  5. Step 5: Solve for x
    x = 39,158,672,360,613.45/7,174,316.96
  6. Step 6: Final answer
    x = 5,458,174.29

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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.