Home / 8,214,528.69-12,319,172.64-2,821,878.81

Finding the Fourth Proportional to 8,214,528.69, 12,319,172.64 and 2,821,878.81

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Solution

The fourth proportional to 8,214,528.69, 12,319,172.64 and 2,821,878.81 is: 4,231,918.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,214,528.69 : 12,319,172.64 = 2,821,878.81 : x
  2. Step 2: Convert to fraction form
    8,214,528.69/12,319,172.64 = 2,821,878.81/x
  3. Step 3: Cross multiply
    8,214,528.69x = 12,319,172.64 × 2,821,878.81
  4. Step 4: Simplify right side
    8,214,528.69x = 34,763,212,229,547.76
  5. Step 5: Solve for x
    x = 34,763,212,229,547.76/8,214,528.69
  6. Step 6: Final answer
    x = 4,231,918.05

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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.