Home / 10,106,578.40-15,159,867.60-5,555,868.80

Finding the Fourth Proportional to 10,106,578.40, 15,159,867.60 and 5,555,868.80

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Solution

The fourth proportional to 10,106,578.40, 15,159,867.60 and 5,555,868.80 is: 8,333,803.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,106,578.40 : 15,159,867.60 = 5,555,868.80 : x
  2. Step 2: Convert to fraction form
    10,106,578.40/15,159,867.60 = 5,555,868.80/x
  3. Step 3: Cross multiply
    10,106,578.40x = 15,159,867.60 × 5,555,868.80
  4. Step 4: Simplify right side
    10,106,578.40x = 84,226,235,410,970.88
  5. Step 5: Solve for x
    x = 84,226,235,410,970.88/10,106,578.40
  6. Step 6: Final answer
    x = 8,333,803.20

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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.