Home / 9,631,145.04-13,290,627.26-5,280,136.08

Finding the Fourth Proportional to 9,631,145.04, 13,290,627.26 and 5,280,136.08

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Solution

The fourth proportional to 9,631,145.04, 13,290,627.26 and 5,280,136.08 is: 7,286,394.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,631,145.04 : 13,290,627.26 = 5,280,136.08 : x
  2. Step 2: Convert to fraction form
    9,631,145.04/13,290,627.26 = 5,280,136.08/x
  3. Step 3: Cross multiply
    9,631,145.04x = 13,290,627.26 × 5,280,136.08
  4. Step 4: Simplify right side
    9,631,145.04x = 70,176,320,494,956.87
  5. Step 5: Solve for x
    x = 70,176,320,494,956.87/9,631,145.04
  6. Step 6: Final answer
    x = 7,286,394.32

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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.