Home / 12,969,560.08-17,898,330.36-7,168,433.32

Finding the Fourth Proportional to 12,969,560.08, 17,898,330.36 and 7,168,433.32

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Solution

The fourth proportional to 12,969,560.08, 17,898,330.36 and 7,168,433.32 is: 9,892,624.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,969,560.08 : 17,898,330.36 = 7,168,433.32 : x
  2. Step 2: Convert to fraction form
    12,969,560.08/17,898,330.36 = 7,168,433.32/x
  3. Step 3: Cross multiply
    12,969,560.08x = 17,898,330.36 × 7,168,433.32
  4. Step 4: Simplify right side
    12,969,560.08x = 128,302,987,724,991.59
  5. Step 5: Solve for x
    x = 128,302,987,724,991.59/12,969,560.08
  6. Step 6: Final answer
    x = 9,892,624.49

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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.