Home / 12,806,430.68-19,210,991.71-4,171,203.56

Finding the Fourth Proportional to 12,806,430.68, 19,210,991.71 and 4,171,203.56

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Solution

The fourth proportional to 12,806,430.68, 19,210,991.71 and 4,171,203.56 is: 6,257,243.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,806,430.68 : 19,210,991.71 = 4,171,203.56 : x
  2. Step 2: Convert to fraction form
    12,806,430.68/19,210,991.71 = 4,171,203.56/x
  3. Step 3: Cross multiply
    12,806,430.68x = 19,210,991.71 × 4,171,203.56
  4. Step 4: Simplify right side
    12,806,430.68x = 80,132,956,991,026.47
  5. Step 5: Solve for x
    x = 80,132,956,991,026.47/12,806,430.68
  6. Step 6: Final answer
    x = 6,257,243.65

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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.