Home / 20,240,363.42-30,360,634.02-6,407,390.12

Finding the Fourth Proportional to 20,240,363.42, 30,360,634.02 and 6,407,390.12

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Solution

The fourth proportional to 20,240,363.42, 30,360,634.02 and 6,407,390.12 is: 9,611,113.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,240,363.42 : 30,360,634.02 = 6,407,390.12 : x
  2. Step 2: Convert to fraction form
    20,240,363.42/30,360,634.02 = 6,407,390.12/x
  3. Step 3: Cross multiply
    20,240,363.42x = 30,360,634.02 × 6,407,390.12
  4. Step 4: Simplify right side
    20,240,363.42x = 194,532,426,304,880.72
  5. Step 5: Solve for x
    x = 194,532,426,304,880.72/20,240,363.42
  6. Step 6: Final answer
    x = 9,611,113.31

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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.