Home / 9,991,069.74-13,787,675.88-5,407,391.10

Finding the Fourth Proportional to 9,991,069.74, 13,787,675.88 and 5,407,391.10

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Solution

The fourth proportional to 9,991,069.74, 13,787,675.88 and 5,407,391.10 is: 7,462,199.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,991,069.74 : 13,787,675.88 = 5,407,391.10 : x
  2. Step 2: Convert to fraction form
    9,991,069.74/13,787,675.88 = 5,407,391.10/x
  3. Step 3: Cross multiply
    9,991,069.74x = 13,787,675.88 × 5,407,391.10
  4. Step 4: Simplify right side
    9,991,069.74x = 74,555,355,843,196.67
  5. Step 5: Solve for x
    x = 74,555,355,843,196.67/9,991,069.74
  6. Step 6: Final answer
    x = 7,462,199.52

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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.