Home / 7,020,477.41-10,531,110.05-1,971,394.25

Finding the Fourth Proportional to 7,020,477.41, 10,531,110.05 and 1,971,394.25

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Solution

The fourth proportional to 7,020,477.41, 10,531,110.05 and 1,971,394.25 is: 2,957,201.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,020,477.41 : 10,531,110.05 = 1,971,394.25 : x
  2. Step 2: Convert to fraction form
    7,020,477.41/10,531,110.05 = 1,971,394.25/x
  3. Step 3: Cross multiply
    7,020,477.41x = 10,531,110.05 × 1,971,394.25
  4. Step 4: Simplify right side
    7,020,477.41x = 20,760,969,798,687.21
  5. Step 5: Solve for x
    x = 20,760,969,798,687.21/7,020,477.41
  6. Step 6: Final answer
    x = 2,957,201.99

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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.