Home / 10,939,759.60-16,409,639.40-9,680,047.60

Finding the Fourth Proportional to 10,939,759.60, 16,409,639.40 and 9,680,047.60

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Solution

The fourth proportional to 10,939,759.60, 16,409,639.40 and 9,680,047.60 is: 14,520,071.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,939,759.60 : 16,409,639.40 = 9,680,047.60 : x
  2. Step 2: Convert to fraction form
    10,939,759.60/16,409,639.40 = 9,680,047.60/x
  3. Step 3: Cross multiply
    10,939,759.60x = 16,409,639.40 × 9,680,047.60
  4. Step 4: Simplify right side
    10,939,759.60x = 158,846,090,490,835.44
  5. Step 5: Solve for x
    x = 158,846,090,490,835.44/10,939,759.60
  6. Step 6: Final answer
    x = 14,520,071.40

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1.5x scale

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.