Home / 5,478,303.16-8,210,724.45-3,077,100.28

Finding the Fourth Proportional to 5,478,303.16, 8,210,724.45 and 3,077,100.28

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Solution

The fourth proportional to 5,478,303.16, 8,210,724.45 and 3,077,100.28 is: 4,611,870.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,478,303.16 : 8,210,724.45 = 3,077,100.28 : x
  2. Step 2: Convert to fraction form
    5,478,303.16/8,210,724.45 = 3,077,100.28/x
  3. Step 3: Cross multiply
    5,478,303.16x = 8,210,724.45 × 3,077,100.28
  4. Step 4: Simplify right side
    5,478,303.16x = 25,265,222,504,097.84
  5. Step 5: Solve for x
    x = 25,265,222,504,097.84/5,478,303.16
  6. Step 6: Final answer
    x = 4,611,870.09

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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.