Home / 12,999,533.05-17,939,351.52-7,198,313.25

Finding the Fourth Proportional to 12,999,533.05, 17,939,351.52 and 7,198,313.25

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Solution

The fourth proportional to 12,999,533.05, 17,939,351.52 and 7,198,313.25 is: 9,933,670.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,999,533.05 : 17,939,351.52 = 7,198,313.25 : x
  2. Step 2: Convert to fraction form
    12,999,533.05/17,939,351.52 = 7,198,313.25/x
  3. Step 3: Cross multiply
    12,999,533.05x = 17,939,351.52 × 7,198,313.25
  4. Step 4: Simplify right side
    12,999,533.05x = 129,133,071,742,823.64
  5. Step 5: Solve for x
    x = 129,133,071,742,823.64/12,999,533.05
  6. Step 6: Final answer
    x = 9,933,670.02

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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.