Home / 13,751,728.09-20,624,386.52-5,119,894.04

Finding the Fourth Proportional to 13,751,728.09, 20,624,386.52 and 5,119,894.04

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Solution

The fourth proportional to 13,751,728.09, 20,624,386.52 and 5,119,894.04 is: 7,678,647.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,751,728.09 : 20,624,386.52 = 5,119,894.04 : x
  2. Step 2: Convert to fraction form
    13,751,728.09/20,624,386.52 = 5,119,894.04/x
  3. Step 3: Cross multiply
    13,751,728.09x = 20,624,386.52 × 5,119,894.04
  4. Step 4: Simplify right side
    13,751,728.09x = 105,594,673,532,082.16
  5. Step 5: Solve for x
    x = 105,594,673,532,082.16/13,751,728.09
  6. Step 6: Final answer
    x = 7,678,647.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.