Home / 11,306,087.62-15,600,984.80-7,642,974.40

Finding the Fourth Proportional to 11,306,087.62, 15,600,984.80 and 7,642,974.40

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Solution

The fourth proportional to 11,306,087.62, 15,600,984.80 and 7,642,974.40 is: 10,546,347.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,306,087.62 : 15,600,984.80 = 7,642,974.40 : x
  2. Step 2: Convert to fraction form
    11,306,087.62/15,600,984.80 = 7,642,974.40/x
  3. Step 3: Cross multiply
    11,306,087.62x = 15,600,984.80 × 7,642,974.40
  4. Step 4: Simplify right side
    11,306,087.62x = 119,237,927,441,189.12
  5. Step 5: Solve for x
    x = 119,237,927,441,189.12/11,306,087.62
  6. Step 6: Final answer
    x = 10,546,347.37

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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.