Home / 7,648,728.20-10,554,844.18-4,210,297.64

Finding the Fourth Proportional to 7,648,728.20, 10,554,844.18 and 4,210,297.64

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Solution

The fourth proportional to 7,648,728.20, 10,554,844.18 and 4,210,297.64 is: 5,809,990.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,648,728.20 : 10,554,844.18 = 4,210,297.64 : x
  2. Step 2: Convert to fraction form
    7,648,728.20/10,554,844.18 = 4,210,297.64/x
  3. Step 3: Cross multiply
    7,648,728.20x = 10,554,844.18 × 4,210,297.64
  4. Step 4: Simplify right side
    7,648,728.20x = 44,439,035,541,621.73
  5. Step 5: Solve for x
    x = 44,439,035,541,621.73/7,648,728.20
  6. Step 6: Final answer
    x = 5,809,990.16

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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.