Home / 7,218,975.68-10,828,347.26-1,754,113.72

Finding the Fourth Proportional to 7,218,975.68, 10,828,347.26 and 1,754,113.72

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Solution

The fourth proportional to 7,218,975.68, 10,828,347.26 and 1,754,113.72 is: 2,631,142.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,218,975.68 : 10,828,347.26 = 1,754,113.72 : x
  2. Step 2: Convert to fraction form
    7,218,975.68/10,828,347.26 = 1,754,113.72/x
  3. Step 3: Cross multiply
    7,218,975.68x = 10,828,347.26 × 1,754,113.72
  4. Step 4: Simplify right side
    7,218,975.68x = 18,994,152,493,690.41
  5. Step 5: Solve for x
    x = 18,994,152,493,690.41/7,218,975.68
  6. Step 6: Final answer
    x = 2,631,142.33

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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.