Home / 9,631,155.54-13,290,641.73-5,280,146.58

Finding the Fourth Proportional to 9,631,155.54, 13,290,641.73 and 5,280,146.58

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Solution

The fourth proportional to 9,631,155.54, 13,290,641.73 and 5,280,146.58 is: 7,286,408.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,631,155.54 : 13,290,641.73 = 5,280,146.58 : x
  2. Step 2: Convert to fraction form
    9,631,155.54/13,290,641.73 = 5,280,146.58/x
  3. Step 3: Cross multiply
    9,631,155.54x = 13,290,641.73 × 5,280,146.58
  4. Step 4: Simplify right side
    9,631,155.54x = 70,176,536,476,664.79
  5. Step 5: Solve for x
    x = 70,176,536,476,664.79/9,631,155.54
  6. Step 6: Final answer
    x = 7,286,408.80

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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.