Home / 8,639,669.40-12,956,004.90-2,956,968.60

Finding the Fourth Proportional to 8,639,669.40, 12,956,004.90 and 2,956,968.60

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Solution

The fourth proportional to 8,639,669.40, 12,956,004.90 and 2,956,968.60 is: 4,434,255.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,639,669.40 : 12,956,004.90 = 2,956,968.60 : x
  2. Step 2: Convert to fraction form
    8,639,669.40/12,956,004.90 = 2,956,968.60/x
  3. Step 3: Cross multiply
    8,639,669.40x = 12,956,004.90 × 2,956,968.60
  4. Step 4: Simplify right side
    8,639,669.40x = 38,310,499,670,746.14
  5. Step 5: Solve for x
    x = 38,310,499,670,746.14/8,639,669.40
  6. Step 6: Final answer
    x = 4,434,255.28

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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.