Home / 9,886,519.81-13,642,795.45-5,475,984.01

Finding the Fourth Proportional to 9,886,519.81, 13,642,795.45 and 5,475,984.01

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Solution

The fourth proportional to 9,886,519.81, 13,642,795.45 and 5,475,984.01 is: 7,556,524.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,886,519.81 : 13,642,795.45 = 5,475,984.01 : x
  2. Step 2: Convert to fraction form
    9,886,519.81/13,642,795.45 = 5,475,984.01/x
  3. Step 3: Cross multiply
    9,886,519.81x = 13,642,795.45 × 5,475,984.01
  4. Step 4: Simplify right side
    9,886,519.81x = 74,707,729,735,900.75
  5. Step 5: Solve for x
    x = 74,707,729,735,900.75/9,886,519.81
  6. Step 6: Final answer
    x = 7,556,524.56

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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.