Home / 9,838,220.41-13,576,678.67-5,428,173.18

Finding the Fourth Proportional to 9,838,220.41, 13,576,678.67 and 5,428,173.18

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Solution

The fourth proportional to 9,838,220.41, 13,576,678.67 and 5,428,173.18 is: 7,490,842.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,838,220.41 : 13,576,678.67 = 5,428,173.18 : x
  2. Step 2: Convert to fraction form
    9,838,220.41/13,576,678.67 = 5,428,173.18/x
  3. Step 3: Cross multiply
    9,838,220.41x = 13,576,678.67 × 5,428,173.18
  4. Step 4: Simplify right side
    9,838,220.41x = 73,696,563,063,921.56
  5. Step 5: Solve for x
    x = 73,696,563,063,921.56/9,838,220.41
  6. Step 6: Final answer
    x = 7,490,842.85

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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.