Home / 13,301,678.54-18,356,308.26-7,190,107.04

Finding the Fourth Proportional to 13,301,678.54, 18,356,308.26 and 7,190,107.04

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Solution

The fourth proportional to 13,301,678.54, 18,356,308.26 and 7,190,107.04 is: 9,922,343.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,301,678.54 : 18,356,308.26 = 7,190,107.04 : x
  2. Step 2: Convert to fraction form
    13,301,678.54/18,356,308.26 = 7,190,107.04/x
  3. Step 3: Cross multiply
    13,301,678.54x = 18,356,308.26 × 7,190,107.04
  4. Step 4: Simplify right side
    13,301,678.54x = 131,983,821,156,854.62
  5. Step 5: Solve for x
    x = 131,983,821,156,854.62/13,301,678.54
  6. Step 6: Final answer
    x = 9,922,343.32

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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.