Home / 11,574,480.80-17,361,721.20-7,543,402.40

Finding the Fourth Proportional to 11,574,480.80, 17,361,721.20 and 7,543,402.40

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Solution

The fourth proportional to 11,574,480.80, 17,361,721.20 and 7,543,402.40 is: 11,315,103.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,574,480.80 : 17,361,721.20 = 7,543,402.40 : x
  2. Step 2: Convert to fraction form
    11,574,480.80/17,361,721.20 = 7,543,402.40/x
  3. Step 3: Cross multiply
    11,574,480.80x = 17,361,721.20 × 7,543,402.40
  4. Step 4: Simplify right side
    11,574,480.80x = 130,966,449,368,210.88
  5. Step 5: Solve for x
    x = 130,966,449,368,210.88/11,574,480.80
  6. Step 6: Final answer
    x = 11,315,103.60

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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.