Home / 7,785,521.70-10,738,048.71-4,684,812.60

Finding the Fourth Proportional to 7,785,521.70, 10,738,048.71 and 4,684,812.60

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Solution

The fourth proportional to 7,785,521.70, 10,738,048.71 and 4,684,812.60 is: 6,461,448.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,785,521.70 : 10,738,048.71 = 4,684,812.60 : x
  2. Step 2: Convert to fraction form
    7,785,521.70/10,738,048.71 = 4,684,812.60/x
  3. Step 3: Cross multiply
    7,785,521.70x = 10,738,048.71 × 4,684,812.60
  4. Step 4: Simplify right side
    7,785,521.70x = 50,305,745,896,021.75
  5. Step 5: Solve for x
    x = 50,305,745,896,021.75/7,785,521.70
  6. Step 6: Final answer
    x = 6,461,448.29

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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.