Home / 12,208,518.77-18,314,456.90-4,531,511.30

Finding the Fourth Proportional to 12,208,518.77, 18,314,456.90 and 4,531,511.30

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Solution

The fourth proportional to 12,208,518.77, 18,314,456.90 and 4,531,511.30 is: 6,797,890.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,208,518.77 : 18,314,456.90 = 4,531,511.30 : x
  2. Step 2: Convert to fraction form
    12,208,518.77/18,314,456.90 = 4,531,511.30/x
  3. Step 3: Cross multiply
    12,208,518.77x = 18,314,456.90 × 4,531,511.30
  4. Step 4: Simplify right side
    12,208,518.77x = 82,992,168,281,483.12
  5. Step 5: Solve for x
    x = 82,992,168,281,483.12/12,208,518.77
  6. Step 6: Final answer
    x = 6,797,890.05

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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.