Home / 10,216,846.80-15,320,828.40-2,928,701.52

Finding the Fourth Proportional to 10,216,846.80, 15,320,828.40 and 2,928,701.52

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Solution

The fourth proportional to 10,216,846.80, 15,320,828.40 and 2,928,701.52 is: 4,391,779.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,216,846.80 : 15,320,828.40 = 2,928,701.52 : x
  2. Step 2: Convert to fraction form
    10,216,846.80/15,320,828.40 = 2,928,701.52/x
  3. Step 3: Cross multiply
    10,216,846.80x = 15,320,828.40 × 2,928,701.52
  4. Step 4: Simplify right side
    10,216,846.80x = 44,870,133,422,739.17
  5. Step 5: Solve for x
    x = 44,870,133,422,739.17/10,216,846.80
  6. Step 6: Final answer
    x = 4,391,779.02

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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.