Home / 6,905,169.13-10,357,319.88-2,112,477.61

Finding the Fourth Proportional to 6,905,169.13, 10,357,319.88 and 2,112,477.61

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Solution

The fourth proportional to 6,905,169.13, 10,357,319.88 and 2,112,477.61 is: 3,168,583.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,905,169.13 : 10,357,319.88 = 2,112,477.61 : x
  2. Step 2: Convert to fraction form
    6,905,169.13/10,357,319.88 = 2,112,477.61/x
  3. Step 3: Cross multiply
    6,905,169.13x = 10,357,319.88 × 2,112,477.61
  4. Step 4: Simplify right side
    6,905,169.13x = 21,879,606,346,107.89
  5. Step 5: Solve for x
    x = 21,879,606,346,107.89/6,905,169.13
  6. Step 6: Final answer
    x = 3,168,583.70

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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.