Home / 20,480,782.74-30,710,888.46-6,829,096.20

Finding the Fourth Proportional to 20,480,782.74, 30,710,888.46 and 6,829,096.20

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Solution

The fourth proportional to 20,480,782.74, 30,710,888.46 and 6,829,096.20 is: 10,240,214.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,480,782.74 : 30,710,888.46 = 6,829,096.20 : x
  2. Step 2: Convert to fraction form
    20,480,782.74/30,710,888.46 = 6,829,096.20/x
  3. Step 3: Cross multiply
    20,480,782.74x = 30,710,888.46 × 6,829,096.20
  4. Step 4: Simplify right side
    20,480,782.74x = 209,727,611,680,809.88
  5. Step 5: Solve for x
    x = 209,727,611,680,809.88/20,480,782.74
  6. Step 6: Final answer
    x = 10,240,214.66

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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.