Home / 15,125,427.56-20,874,854.70-8,600,034.75

Finding the Fourth Proportional to 15,125,427.56, 20,874,854.70 and 8,600,034.75

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Solution

The fourth proportional to 15,125,427.56, 20,874,854.70 and 8,600,034.75 is: 11,869,051.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,125,427.56 : 20,874,854.70 = 8,600,034.75 : x
  2. Step 2: Convert to fraction form
    15,125,427.56/20,874,854.70 = 8,600,034.75/x
  3. Step 3: Cross multiply
    15,125,427.56x = 20,874,854.70 × 8,600,034.75
  4. Step 4: Simplify right side
    15,125,427.56x = 179,524,475,821,200.81
  5. Step 5: Solve for x
    x = 179,524,475,821,200.81/15,125,427.56
  6. Step 6: Final answer
    x = 11,869,051.31

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1.5x scale

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.