Home / 9,619,880.28-13,275,441.96-5,209,640.16

Finding the Fourth Proportional to 9,619,880.28, 13,275,441.96 and 5,209,640.16

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Solution

The fourth proportional to 9,619,880.28, 13,275,441.96 and 5,209,640.16 is: 7,189,307.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,619,880.28 : 13,275,441.96 = 5,209,640.16 : x
  2. Step 2: Convert to fraction form
    9,619,880.28/13,275,441.96 = 5,209,640.16/x
  3. Step 3: Cross multiply
    9,619,880.28x = 13,275,441.96 × 5,209,640.16
  4. Step 4: Simplify right side
    9,619,880.28x = 69,160,275,576,565.12
  5. Step 5: Solve for x
    x = 69,160,275,576,565.12/9,619,880.28
  6. Step 6: Final answer
    x = 7,189,307.31

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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.