Home / 12,586,659.80-18,890,078.74-6,523,125.02

Finding the Fourth Proportional to 12,586,659.80, 18,890,078.74 and 6,523,125.02

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Solution

The fourth proportional to 12,586,659.80, 18,890,078.74 and 6,523,125.02 is: 9,789,916.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,586,659.80 : 18,890,078.74 = 6,523,125.02 : x
  2. Step 2: Convert to fraction form
    12,586,659.80/18,890,078.74 = 6,523,125.02/x
  3. Step 3: Cross multiply
    12,586,659.80x = 18,890,078.74 × 6,523,125.02
  4. Step 4: Simplify right side
    12,586,659.80x = 123,222,345,258,664.06
  5. Step 5: Solve for x
    x = 123,222,345,258,664.06/12,586,659.80
  6. Step 6: Final answer
    x = 9,789,916.25

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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.