Home / 8,928,007.20-13,392,010.80-6,240,621.60

Finding the Fourth Proportional to 8,928,007.20, 13,392,010.80 and 6,240,621.60

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Solution

The fourth proportional to 8,928,007.20, 13,392,010.80 and 6,240,621.60 is: 9,360,932.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,928,007.20 : 13,392,010.80 = 6,240,621.60 : x
  2. Step 2: Convert to fraction form
    8,928,007.20/13,392,010.80 = 6,240,621.60/x
  3. Step 3: Cross multiply
    8,928,007.20x = 13,392,010.80 × 6,240,621.60
  4. Step 4: Simplify right side
    8,928,007.20x = 83,574,471,865,913.28
  5. Step 5: Solve for x
    x = 83,574,471,865,913.28/8,928,007.20
  6. Step 6: Final answer
    x = 9,360,932.40

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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.