Home / 8,928,005.20-13,392,007.80-5,344,824.40

Finding the Fourth Proportional to 8,928,005.20, 13,392,007.80 and 5,344,824.40

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Solution

The fourth proportional to 8,928,005.20, 13,392,007.80 and 5,344,824.40 is: 8,017,236.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,928,005.20 : 13,392,007.80 = 5,344,824.40 : x
  2. Step 2: Convert to fraction form
    8,928,005.20/13,392,007.80 = 5,344,824.40/x
  3. Step 3: Cross multiply
    8,928,005.20x = 13,392,007.80 × 5,344,824.40
  4. Step 4: Simplify right side
    8,928,005.20x = 71,577,930,054,430.33
  5. Step 5: Solve for x
    x = 71,577,930,054,430.33/8,928,005.20
  6. Step 6: Final answer
    x = 8,017,236.60

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1.5x scale

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.