Home / 9,741,846.80-14,640,763.80-8,510,128.40

Finding the Fourth Proportional to 9,741,846.80, 14,640,763.80 and 8,510,128.40

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Solution

The fourth proportional to 9,741,846.80, 14,640,763.80 and 8,510,128.40 is: 12,789,646.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,741,846.80 : 14,640,763.80 = 8,510,128.40 : x
  2. Step 2: Convert to fraction form
    9,741,846.80/14,640,763.80 = 8,510,128.40/x
  3. Step 3: Cross multiply
    9,741,846.80x = 14,640,763.80 × 8,510,128.40
  4. Step 4: Simplify right side
    9,741,846.80x = 124,594,779,812,071.94
  5. Step 5: Solve for x
    x = 124,594,779,812,071.94/9,741,846.80
  6. Step 6: Final answer
    x = 12,789,646.81

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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.