Home / 19,408,975.20-29,144,955.60-10,905,919.20

Finding the Fourth Proportional to 19,408,975.20, 29,144,955.60 and 10,905,919.20

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Solution

The fourth proportional to 19,408,975.20, 29,144,955.60 and 10,905,919.20 is: 16,376,574.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,408,975.20 : 29,144,955.60 = 10,905,919.20 : x
  2. Step 2: Convert to fraction form
    19,408,975.20/29,144,955.60 = 10,905,919.20/x
  3. Step 3: Cross multiply
    19,408,975.20x = 29,144,955.60 × 10,905,919.20
  4. Step 4: Simplify right side
    19,408,975.20x = 317,852,530,861,187.50
  5. Step 5: Solve for x
    x = 317,852,530,861,187.50/19,408,975.20
  6. Step 6: Final answer
    x = 16,376,574.63

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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.