Home / 8,313,547.80-12,470,321.70-5,458,200.60

Finding the Fourth Proportional to 8,313,547.80, 12,470,321.70 and 5,458,200.60

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Solution

The fourth proportional to 8,313,547.80, 12,470,321.70 and 5,458,200.60 is: 8,187,300.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,313,547.80 : 12,470,321.70 = 5,458,200.60 : x
  2. Step 2: Convert to fraction form
    8,313,547.80/12,470,321.70 = 5,458,200.60/x
  3. Step 3: Cross multiply
    8,313,547.80x = 12,470,321.70 × 5,458,200.60
  4. Step 4: Simplify right side
    8,313,547.80x = 68,065,517,385,133.01
  5. Step 5: Solve for x
    x = 68,065,517,385,133.01/8,313,547.80
  6. Step 6: Final answer
    x = 8,187,300.90

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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.