Home / 13,525,621.74-18,665,584.68-7,330,867.68

Finding the Fourth Proportional to 13,525,621.74, 18,665,584.68 and 7,330,867.68

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Solution

The fourth proportional to 13,525,621.74, 18,665,584.68 and 7,330,867.68 is: 10,116,720.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,525,621.74 : 18,665,584.68 = 7,330,867.68 : x
  2. Step 2: Convert to fraction form
    13,525,621.74/18,665,584.68 = 7,330,867.68/x
  3. Step 3: Cross multiply
    13,525,621.74x = 18,665,584.68 × 7,330,867.68
  4. Step 4: Simplify right side
    13,525,621.74x = 136,834,931,458,915.14
  5. Step 5: Solve for x
    x = 136,834,931,458,915.14/13,525,621.74
  6. Step 6: Final answer
    x = 10,116,720.26

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1.5x scale

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.