Home / 8,047,456.12-11,134,732.67-7,017,112.42

Finding the Fourth Proportional to 8,047,456.12, 11,134,732.67 and 7,017,112.42

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Solution

The fourth proportional to 8,047,456.12, 11,134,732.67 and 7,017,112.42 is: 9,709,114.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,047,456.12 : 11,134,732.67 = 7,017,112.42 : x
  2. Step 2: Convert to fraction form
    8,047,456.12/11,134,732.67 = 7,017,112.42/x
  3. Step 3: Cross multiply
    8,047,456.12x = 11,134,732.67 × 7,017,112.42
  4. Step 4: Simplify right side
    8,047,456.12x = 78,133,670,912,036.77
  5. Step 5: Solve for x
    x = 78,133,670,912,036.77/8,047,456.12
  6. Step 6: Final answer
    x = 9,709,114.25

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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.