Home / 11,421,933.15-17,124,378.57-6,871,915.71

Finding the Fourth Proportional to 11,421,933.15, 17,124,378.57 and 6,871,915.71

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Solution

The fourth proportional to 11,421,933.15, 17,124,378.57 and 6,871,915.71 is: 10,302,746.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,421,933.15 : 17,124,378.57 = 6,871,915.71 : x
  2. Step 2: Convert to fraction form
    11,421,933.15/17,124,378.57 = 6,871,915.71/x
  3. Step 3: Cross multiply
    11,421,933.15x = 17,124,378.57 × 6,871,915.71
  4. Step 4: Simplify right side
    11,421,933.15x = 117,677,286,119,170.34
  5. Step 5: Solve for x
    x = 117,677,286,119,170.34/11,421,933.15
  6. Step 6: Final answer
    x = 10,302,746.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.