Home / 6,742,813.61-9,303,288.72-3,842,142.66

Finding the Fourth Proportional to 6,742,813.61, 9,303,288.72 and 3,842,142.66

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Solution

The fourth proportional to 6,742,813.61, 9,303,288.72 and 3,842,142.66 is: 5,301,134.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,742,813.61 : 9,303,288.72 = 3,842,142.66 : x
  2. Step 2: Convert to fraction form
    6,742,813.61/9,303,288.72 = 3,842,142.66/x
  3. Step 3: Cross multiply
    6,742,813.61x = 9,303,288.72 × 3,842,142.66
  4. Step 4: Simplify right side
    6,742,813.61x = 35,744,562,455,000.77
  5. Step 5: Solve for x
    x = 35,744,562,455,000.77/6,742,813.61
  6. Step 6: Final answer
    x = 5,301,134.59

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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.