Home / 9,890,915.20-14,825,313.60-4,210,172.80

Finding the Fourth Proportional to 9,890,915.20, 14,825,313.60 and 4,210,172.80

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Solution

The fourth proportional to 9,890,915.20, 14,825,313.60 and 4,210,172.80 is: 6,310,551.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,890,915.20 : 14,825,313.60 = 4,210,172.80 : x
  2. Step 2: Convert to fraction form
    9,890,915.20/14,825,313.60 = 4,210,172.80/x
  3. Step 3: Cross multiply
    9,890,915.20x = 14,825,313.60 × 4,210,172.80
  4. Step 4: Simplify right side
    9,890,915.20x = 62,417,132,070,190.08
  5. Step 5: Solve for x
    x = 62,417,132,070,190.08/9,890,915.20
  6. Step 6: Final answer
    x = 6,310,551.73

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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.