Home / 13,215,656.30-19,817,579.55-5,125,943.30

Finding the Fourth Proportional to 13,215,656.30, 19,817,579.55 and 5,125,943.30

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Solution

The fourth proportional to 13,215,656.30, 19,817,579.55 and 5,125,943.30 is: 7,686,624.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,215,656.30 : 19,817,579.55 = 5,125,943.30 : x
  2. Step 2: Convert to fraction form
    13,215,656.30/19,817,579.55 = 5,125,943.30/x
  3. Step 3: Cross multiply
    13,215,656.30x = 19,817,579.55 × 5,125,943.30
  4. Step 4: Simplify right side
    13,215,656.30x = 101,583,789,116,539.52
  5. Step 5: Solve for x
    x = 101,583,789,116,539.52/13,215,656.30
  6. Step 6: Final answer
    x = 7,686,624.62

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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.