Home / 7,870,717.80-11,808,150.30-2,821,501.80

Finding the Fourth Proportional to 7,870,717.80, 11,808,150.30 and 2,821,501.80

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Solution

The fourth proportional to 7,870,717.80, 11,808,150.30 and 2,821,501.80 is: 4,232,996.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,870,717.80 : 11,808,150.30 = 2,821,501.80 : x
  2. Step 2: Convert to fraction form
    7,870,717.80/11,808,150.30 = 2,821,501.80/x
  3. Step 3: Cross multiply
    7,870,717.80x = 11,808,150.30 × 2,821,501.80
  4. Step 4: Simplify right side
    7,870,717.80x = 33,316,717,326,120.54
  5. Step 5: Solve for x
    x = 33,316,717,326,120.54/7,870,717.80
  6. Step 6: Final answer
    x = 4,232,996.05

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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.