Home / 20,616,376.56-30,910,915.80-9,835,341.36

Finding the Fourth Proportional to 20,616,376.56, 30,910,915.80 and 9,835,341.36

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Solution

The fourth proportional to 20,616,376.56, 30,910,915.80 and 9,835,341.36 is: 14,746,500.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,616,376.56 : 30,910,915.80 = 9,835,341.36 : x
  2. Step 2: Convert to fraction form
    20,616,376.56/30,910,915.80 = 9,835,341.36/x
  3. Step 3: Cross multiply
    20,616,376.56x = 30,910,915.80 × 9,835,341.36
  4. Step 4: Simplify right side
    20,616,376.56x = 304,019,408,643,217.50
  5. Step 5: Solve for x
    x = 304,019,408,643,217.50/20,616,376.56
  6. Step 6: Final answer
    x = 14,746,500.57

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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.