Home / 13,012,967.91-19,543,764.25-11,455,545.76

Finding the Fourth Proportional to 13,012,967.91, 19,543,764.25 and 11,455,545.76

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Solution

The fourth proportional to 13,012,967.91, 19,543,764.25 and 11,455,545.76 is: 17,204,721.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,012,967.91 : 19,543,764.25 = 11,455,545.76 : x
  2. Step 2: Convert to fraction form
    13,012,967.91/19,543,764.25 = 11,455,545.76/x
  3. Step 3: Cross multiply
    13,012,967.91x = 19,543,764.25 × 11,455,545.76
  4. Step 4: Simplify right side
    13,012,967.91x = 223,884,485,533,530.56
  5. Step 5: Solve for x
    x = 223,884,485,533,530.56/13,012,967.91
  6. Step 6: Final answer
    x = 17,204,721.25

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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.