Home / 13,303,514.40-19,955,271.60-4,784,128.80

Finding the Fourth Proportional to 13,303,514.40, 19,955,271.60 and 4,784,128.80

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Solution

The fourth proportional to 13,303,514.40, 19,955,271.60 and 4,784,128.80 is: 7,176,193.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,303,514.40 : 19,955,271.60 = 4,784,128.80 : x
  2. Step 2: Convert to fraction form
    13,303,514.40/19,955,271.60 = 4,784,128.80/x
  3. Step 3: Cross multiply
    13,303,514.40x = 19,955,271.60 × 4,784,128.80
  4. Step 4: Simplify right side
    13,303,514.40x = 95,468,589,573,382.08
  5. Step 5: Solve for x
    x = 95,468,589,573,382.08/13,303,514.40
  6. Step 6: Final answer
    x = 7,176,193.20

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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.