Home / 9,631,155.29-13,290,641.39-5,280,146.33

Finding the Fourth Proportional to 9,631,155.29, 13,290,641.39 and 5,280,146.33

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Solution

The fourth proportional to 9,631,155.29, 13,290,641.39 and 5,280,146.33 is: 7,286,408.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,631,155.29 : 13,290,641.39 = 5,280,146.33 : x
  2. Step 2: Convert to fraction form
    9,631,155.29/13,290,641.39 = 5,280,146.33/x
  3. Step 3: Cross multiply
    9,631,155.29x = 13,290,641.39 × 5,280,146.33
  4. Step 4: Simplify right side
    9,631,155.29x = 70,176,531,332,353.87
  5. Step 5: Solve for x
    x = 70,176,531,332,353.87/9,631,155.29
  6. Step 6: Final answer
    x = 7,286,408.45

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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.