Home / 12,709,918.92-19,065,011.42-5,035,431.56

Finding the Fourth Proportional to 12,709,918.92, 19,065,011.42 and 5,035,431.56

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Solution

The fourth proportional to 12,709,918.92, 19,065,011.42 and 5,035,431.56 is: 7,553,200.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,709,918.92 : 19,065,011.42 = 5,035,431.56 : x
  2. Step 2: Convert to fraction form
    12,709,918.92/19,065,011.42 = 5,035,431.56/x
  3. Step 3: Cross multiply
    12,709,918.92x = 19,065,011.42 × 5,035,431.56
  4. Step 4: Simplify right side
    12,709,918.92x = 96,000,560,256,279.52
  5. Step 5: Solve for x
    x = 96,000,560,256,279.52/12,709,918.92
  6. Step 6: Final answer
    x = 7,553,200.05

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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.