Home / 8,573,478.72-11,830,750.56-4,705,385.28

Finding the Fourth Proportional to 8,573,478.72, 11,830,750.56 and 4,705,385.28

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Solution

The fourth proportional to 8,573,478.72, 11,830,750.56 and 4,705,385.28 is: 6,493,074.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,573,478.72 : 11,830,750.56 = 4,705,385.28 : x
  2. Step 2: Convert to fraction form
    8,573,478.72/11,830,750.56 = 4,705,385.28/x
  3. Step 3: Cross multiply
    8,573,478.72x = 11,830,750.56 × 4,705,385.28
  4. Step 4: Simplify right side
    8,573,478.72x = 55,668,239,536,375.77
  5. Step 5: Solve for x
    x = 55,668,239,536,375.77/8,573,478.72
  6. Step 6: Final answer
    x = 6,493,074.91

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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.