Home / 9,220,840.14-13,840,999.65-5,180,780.46

Finding the Fourth Proportional to 9,220,840.14, 13,840,999.65 and 5,180,780.46

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Solution

The fourth proportional to 9,220,840.14, 13,840,999.65 and 5,180,780.46 is: 7,776,642.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,220,840.14 : 13,840,999.65 = 5,180,780.46 : x
  2. Step 2: Convert to fraction form
    9,220,840.14/13,840,999.65 = 5,180,780.46/x
  3. Step 3: Cross multiply
    9,220,840.14x = 13,840,999.65 × 5,180,780.46
  4. Step 4: Simplify right side
    9,220,840.14x = 71,707,180,533,586.84
  5. Step 5: Solve for x
    x = 71,707,180,533,586.84/9,220,840.14
  6. Step 6: Final answer
    x = 7,776,642.85

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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.