Home / 19,168,416.64-28,759,470.72-8,234,012.80

Finding the Fourth Proportional to 19,168,416.64, 28,759,470.72 and 8,234,012.80

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Solution

The fourth proportional to 19,168,416.64, 28,759,470.72 and 8,234,012.80 is: 12,353,959.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,168,416.64 : 28,759,470.72 = 8,234,012.80 : x
  2. Step 2: Convert to fraction form
    19,168,416.64/28,759,470.72 = 8,234,012.80/x
  3. Step 3: Cross multiply
    19,168,416.64x = 28,759,470.72 × 8,234,012.80
  4. Step 4: Simplify right side
    19,168,416.64x = 236,805,850,029,705.19
  5. Step 5: Solve for x
    x = 236,805,850,029,705.19/19,168,416.64
  6. Step 6: Final answer
    x = 12,353,959.87

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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.