Home / 11,177,467.20-16,766,200.80-10,516,118.40

Finding the Fourth Proportional to 11,177,467.20, 16,766,200.80 and 10,516,118.40

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Solution

The fourth proportional to 11,177,467.20, 16,766,200.80 and 10,516,118.40 is: 15,774,177.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,177,467.20 : 16,766,200.80 = 10,516,118.40 : x
  2. Step 2: Convert to fraction form
    11,177,467.20/16,766,200.80 = 10,516,118.40/x
  3. Step 3: Cross multiply
    11,177,467.20x = 16,766,200.80 × 10,516,118.40
  4. Step 4: Simplify right side
    11,177,467.20x = 176,315,352,730,974.72
  5. Step 5: Solve for x
    x = 176,315,352,730,974.72/11,177,467.20
  6. Step 6: Final answer
    x = 15,774,177.60

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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.