Home / 9,881,315.40-13,636,641.43-5,471,041

Finding the Fourth Proportional to 9,881,315.40, 13,636,641.43 and 5,471,041

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Solution

The fourth proportional to 9,881,315.40, 13,636,641.43 and 5,471,041 is: 7,550,272.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,881,315.40 : 13,636,641.43 = 5,471,041 : x
  2. Step 2: Convert to fraction form
    9,881,315.40/13,636,641.43 = 5,471,041/x
  3. Step 3: Cross multiply
    9,881,315.40x = 13,636,641.43 × 5,471,041
  4. Step 4: Simplify right side
    9,881,315.40x = 74,606,624,365,828.62
  5. Step 5: Solve for x
    x = 74,606,624,365,828.62/9,881,315.40
  6. Step 6: Final answer
    x = 7,550,272.54

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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.