Home / 6,688,915.20-10,033,372.80-5,649,652.80

Finding the Fourth Proportional to 6,688,915.20, 10,033,372.80 and 5,649,652.80

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Solution

The fourth proportional to 6,688,915.20, 10,033,372.80 and 5,649,652.80 is: 8,474,479.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,688,915.20 : 10,033,372.80 = 5,649,652.80 : x
  2. Step 2: Convert to fraction form
    6,688,915.20/10,033,372.80 = 5,649,652.80/x
  3. Step 3: Cross multiply
    6,688,915.20x = 10,033,372.80 × 5,649,652.80
  4. Step 4: Simplify right side
    6,688,915.20x = 56,685,072,732,963.84
  5. Step 5: Solve for x
    x = 56,685,072,732,963.84/6,688,915.20
  6. Step 6: Final answer
    x = 8,474,479.20

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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.