Home / 18,403,171.83-25,396,263.47-10,030,532.12

Finding the Fourth Proportional to 18,403,171.83, 25,396,263.47 and 10,030,532.12

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Solution

The fourth proportional to 18,403,171.83, 25,396,263.47 and 10,030,532.12 is: 13,842,072.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,403,171.83 : 25,396,263.47 = 10,030,532.12 : x
  2. Step 2: Convert to fraction form
    18,403,171.83/25,396,263.47 = 10,030,532.12/x
  3. Step 3: Cross multiply
    18,403,171.83x = 25,396,263.47 × 10,030,532.12
  4. Step 4: Simplify right side
    18,403,171.83x = 254,738,036,286,683.69
  5. Step 5: Solve for x
    x = 254,738,036,286,683.69/18,403,171.83
  6. Step 6: Final answer
    x = 13,842,072.37

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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.