Home / 20,615,153.32-30,912,152.30-10,905,007.24

Finding the Fourth Proportional to 20,615,153.32, 30,912,152.30 and 10,905,007.24

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Solution

The fourth proportional to 20,615,153.32, 30,912,152.30 and 10,905,007.24 is: 16,351,915.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,615,153.32 : 30,912,152.30 = 10,905,007.24 : x
  2. Step 2: Convert to fraction form
    20,615,153.32/30,912,152.30 = 10,905,007.24/x
  3. Step 3: Cross multiply
    20,615,153.32x = 30,912,152.30 × 10,905,007.24
  4. Step 4: Simplify right side
    20,615,153.32x = 337,097,244,635,482.69
  5. Step 5: Solve for x
    x = 337,097,244,635,482.69/20,615,153.32
  6. Step 6: Final answer
    x = 16,351,915.48

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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.