Home / 9,021,206.79-13,543,357.68-7,749,947.43

Finding the Fourth Proportional to 9,021,206.79, 13,543,357.68 and 7,749,947.43

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Solution

The fourth proportional to 9,021,206.79, 13,543,357.68 and 7,749,947.43 is: 11,634,841.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,021,206.79 : 13,543,357.68 = 7,749,947.43 : x
  2. Step 2: Convert to fraction form
    9,021,206.79/13,543,357.68 = 7,749,947.43/x
  3. Step 3: Cross multiply
    9,021,206.79x = 13,543,357.68 × 7,749,947.43
  4. Step 4: Simplify right side
    9,021,206.79x = 104,960,310,045,686.75
  5. Step 5: Solve for x
    x = 104,960,310,045,686.75/9,021,206.79
  6. Step 6: Final answer
    x = 11,634,841.38

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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.