Home / 38,144,986.64-52,640,341.80-20,741,521.04

Finding the Fourth Proportional to 38,144,986.64, 52,640,341.80 and 20,741,521.04

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Solution

The fourth proportional to 38,144,986.64, 52,640,341.80 and 20,741,521.04 is: 28,623,440.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,144,986.64 : 52,640,341.80 = 20,741,521.04 : x
  2. Step 2: Convert to fraction form
    38,144,986.64/52,640,341.80 = 20,741,521.04/x
  3. Step 3: Cross multiply
    38,144,986.64x = 52,640,341.80 × 20,741,521.04
  4. Step 4: Simplify right side
    38,144,986.64x = 1,091,840,756,997,491.38
  5. Step 5: Solve for x
    x = 1,091,840,756,997,491.38/38,144,986.64
  6. Step 6: Final answer
    x = 28,623,440.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.