Home / 9,631,141.17-13,290,621.91-5,280,132.21

Finding the Fourth Proportional to 9,631,141.17, 13,290,621.91 and 5,280,132.21

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Solution

The fourth proportional to 9,631,141.17, 13,290,621.91 and 5,280,132.21 is: 7,286,388.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,631,141.17 : 13,290,621.91 = 5,280,132.21 : x
  2. Step 2: Convert to fraction form
    9,631,141.17/13,290,621.91 = 5,280,132.21/x
  3. Step 3: Cross multiply
    9,631,141.17x = 13,290,621.91 × 5,280,132.21
  4. Step 4: Simplify right side
    9,631,141.17x = 70,176,240,837,922.72
  5. Step 5: Solve for x
    x = 70,176,240,837,922.72/9,631,141.17
  6. Step 6: Final answer
    x = 7,286,388.98

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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.