Home / 8,279,059.60-11,425,085.40-4,657,387.60

Finding the Fourth Proportional to 8,279,059.60, 11,425,085.40 and 4,657,387.60

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Solution

The fourth proportional to 8,279,059.60, 11,425,085.40 and 4,657,387.60 is: 6,427,185.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,279,059.60 : 11,425,085.40 = 4,657,387.60 : x
  2. Step 2: Convert to fraction form
    8,279,059.60/11,425,085.40 = 4,657,387.60/x
  3. Step 3: Cross multiply
    8,279,059.60x = 11,425,085.40 × 4,657,387.60
  4. Step 4: Simplify right side
    8,279,059.60x = 53,211,051,070,901.04
  5. Step 5: Solve for x
    x = 53,211,051,070,901.04/8,279,059.60
  6. Step 6: Final answer
    x = 6,427,185.41

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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.