Home / 8,990,325.66-12,396,048.39-7,266,114.30

Finding the Fourth Proportional to 8,990,325.66, 12,396,048.39 and 7,266,114.30

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Solution

The fourth proportional to 8,990,325.66, 12,396,048.39 and 7,266,114.30 is: 10,018,669.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,990,325.66 : 12,396,048.39 = 7,266,114.30 : x
  2. Step 2: Convert to fraction form
    8,990,325.66/12,396,048.39 = 7,266,114.30/x
  3. Step 3: Cross multiply
    8,990,325.66x = 12,396,048.39 × 7,266,114.30
  4. Step 4: Simplify right side
    8,990,325.66x = 90,071,104,470,070.98
  5. Step 5: Solve for x
    x = 90,071,104,470,070.98/8,990,325.66
  6. Step 6: Final answer
    x = 10,018,669.83

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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.