Home / 9,139,481.20-12,612,483.88-5,065,362.64

Finding the Fourth Proportional to 9,139,481.20, 12,612,483.88 and 5,065,362.64

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Solution

The fourth proportional to 9,139,481.20, 12,612,483.88 and 5,065,362.64 is: 6,990,200.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,139,481.20 : 12,612,483.88 = 5,065,362.64 : x
  2. Step 2: Convert to fraction form
    9,139,481.20/12,612,483.88 = 5,065,362.64/x
  3. Step 3: Cross multiply
    9,139,481.20x = 12,612,483.88 × 5,065,362.64
  4. Step 4: Simplify right side
    9,139,481.20x = 63,886,804,643,354.24
  5. Step 5: Solve for x
    x = 63,886,804,643,354.24/9,139,481.20
  6. Step 6: Final answer
    x = 6,990,200.35

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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.