Home / 14,100,721.53-21,157,063.34-7,703,500.70

Finding the Fourth Proportional to 14,100,721.53, 21,157,063.34 and 7,703,500.70

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Solution

The fourth proportional to 14,100,721.53, 21,157,063.34 and 7,703,500.70 is: 11,558,518.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,100,721.53 : 21,157,063.34 = 7,703,500.70 : x
  2. Step 2: Convert to fraction form
    14,100,721.53/21,157,063.34 = 7,703,500.70/x
  3. Step 3: Cross multiply
    14,100,721.53x = 21,157,063.34 × 7,703,500.70
  4. Step 4: Simplify right side
    14,100,721.53x = 162,983,452,105,331.53
  5. Step 5: Solve for x
    x = 162,983,452,105,331.53/14,100,721.53
  6. Step 6: Final answer
    x = 11,558,518.60

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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.