Home / 9,949,121.60-14,927,368.80-3,969,780.80

Finding the Fourth Proportional to 9,949,121.60, 14,927,368.80 and 3,969,780.80

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Solution

The fourth proportional to 9,949,121.60, 14,927,368.80 and 3,969,780.80 is: 5,956,142.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,949,121.60 : 14,927,368.80 = 3,969,780.80 : x
  2. Step 2: Convert to fraction form
    9,949,121.60/14,927,368.80 = 3,969,780.80/x
  3. Step 3: Cross multiply
    9,949,121.60x = 14,927,368.80 × 3,969,780.80
  4. Step 4: Simplify right side
    9,949,121.60x = 59,258,382,056,759.04
  5. Step 5: Solve for x
    x = 59,258,382,056,759.04/9,949,121.60
  6. Step 6: Final answer
    x = 5,956,142.10

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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.