Home / 9,195,556.80-12,689,369.44-5,064,784

Finding the Fourth Proportional to 9,195,556.80, 12,689,369.44 and 5,064,784

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Solution

The fourth proportional to 9,195,556.80, 12,689,369.44 and 5,064,784 is: 6,989,127.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,195,556.80 : 12,689,369.44 = 5,064,784 : x
  2. Step 2: Convert to fraction form
    9,195,556.80/12,689,369.44 = 5,064,784/x
  3. Step 3: Cross multiply
    9,195,556.80x = 12,689,369.44 × 5,064,784
  4. Step 4: Simplify right side
    9,195,556.80x = 64,268,915,309,800.96
  5. Step 5: Solve for x
    x = 64,268,915,309,800.96/9,195,556.80
  6. Step 6: Final answer
    x = 6,989,127.11

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1.5x scale

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.