Home / 13,155,917.06-19,724,895.24-7,008,817.76

Finding the Fourth Proportional to 13,155,917.06, 19,724,895.24 and 7,008,817.76

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Solution

The fourth proportional to 13,155,917.06, 19,724,895.24 and 7,008,817.76 is: 10,508,442.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,155,917.06 : 19,724,895.24 = 7,008,817.76 : x
  2. Step 2: Convert to fraction form
    13,155,917.06/19,724,895.24 = 7,008,817.76/x
  3. Step 3: Cross multiply
    13,155,917.06x = 19,724,895.24 × 7,008,817.76
  4. Step 4: Simplify right side
    13,155,917.06x = 138,248,196,072,251.45
  5. Step 5: Solve for x
    x = 138,248,196,072,251.45/13,155,917.06
  6. Step 6: Final answer
    x = 10,508,442.36

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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.