Home / 12,821,160.01-17,693,197.70-7,019,940.22

Finding the Fourth Proportional to 12,821,160.01, 17,693,197.70 and 7,019,940.22

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Solution

The fourth proportional to 12,821,160.01, 17,693,197.70 and 7,019,940.22 is: 9,687,515.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,821,160.01 : 17,693,197.70 = 7,019,940.22 : x
  2. Step 2: Convert to fraction form
    12,821,160.01/17,693,197.70 = 7,019,940.22/x
  3. Step 3: Cross multiply
    12,821,160.01x = 17,693,197.70 × 7,019,940.22
  4. Step 4: Simplify right side
    12,821,160.01x = 124,205,190,154,641.48
  5. Step 5: Solve for x
    x = 124,205,190,154,641.48/12,821,160.01
  6. Step 6: Final answer
    x = 9,687,515.80

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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.