Home / 10,657,427.76-15,991,390.56-4,976,826.48

Finding the Fourth Proportional to 10,657,427.76, 15,991,390.56 and 4,976,826.48

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Solution

The fourth proportional to 10,657,427.76, 15,991,390.56 and 4,976,826.48 is: 7,467,690.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,657,427.76 : 15,991,390.56 = 4,976,826.48 : x
  2. Step 2: Convert to fraction form
    10,657,427.76/15,991,390.56 = 4,976,826.48/x
  3. Step 3: Cross multiply
    10,657,427.76x = 15,991,390.56 × 4,976,826.48
  4. Step 4: Simplify right side
    10,657,427.76x = 79,586,375,991,030.03
  5. Step 5: Solve for x
    x = 79,586,375,991,030.03/10,657,427.76
  6. Step 6: Final answer
    x = 7,467,690.87

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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.