Home / 7,769,667.80-10,722,210.88-4,285,141.36

Finding the Fourth Proportional to 7,769,667.80, 10,722,210.88 and 4,285,141.36

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Solution

The fourth proportional to 7,769,667.80, 10,722,210.88 and 4,285,141.36 is: 5,913,533.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,769,667.80 : 10,722,210.88 = 4,285,141.36 : x
  2. Step 2: Convert to fraction form
    7,769,667.80/10,722,210.88 = 4,285,141.36/x
  3. Step 3: Cross multiply
    7,769,667.80x = 10,722,210.88 × 4,285,141.36
  4. Step 4: Simplify right side
    7,769,667.80x = 45,946,189,312,530.01
  5. Step 5: Solve for x
    x = 45,946,189,312,530.01/7,769,667.80
  6. Step 6: Final answer
    x = 5,913,533.31

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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.