Home / 7,226,740.16-9,971,982.03-4,129,464.28

Finding the Fourth Proportional to 7,226,740.16, 9,971,982.03 and 4,129,464.28

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Solution

The fourth proportional to 7,226,740.16, 9,971,982.03 and 4,129,464.28 is: 5,698,135.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,226,740.16 : 9,971,982.03 = 4,129,464.28 : x
  2. Step 2: Convert to fraction form
    7,226,740.16/9,971,982.03 = 4,129,464.28/x
  3. Step 3: Cross multiply
    7,226,740.16x = 9,971,982.03 × 4,129,464.28
  4. Step 4: Simplify right side
    7,226,740.16x = 41,178,943,608,293.19
  5. Step 5: Solve for x
    x = 41,178,943,608,293.19/7,226,740.16
  6. Step 6: Final answer
    x = 5,698,135.36

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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.