Home / 8,870,965.90-13,306,448.85-3,190,452.10

Finding the Fourth Proportional to 8,870,965.90, 13,306,448.85 and 3,190,452.10

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Solution

The fourth proportional to 8,870,965.90, 13,306,448.85 and 3,190,452.10 is: 4,785,678.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,870,965.90 : 13,306,448.85 = 3,190,452.10 : x
  2. Step 2: Convert to fraction form
    8,870,965.90/13,306,448.85 = 3,190,452.10/x
  3. Step 3: Cross multiply
    8,870,965.90x = 13,306,448.85 × 3,190,452.10
  4. Step 4: Simplify right side
    8,870,965.90x = 42,453,587,677,025.09
  5. Step 5: Solve for x
    x = 42,453,587,677,025.09/8,870,965.90
  6. Step 6: Final answer
    x = 4,785,678.15

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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.