Home / 7,156,486.80-10,731,619.80-2,106,752.40

Finding the Fourth Proportional to 7,156,486.80, 10,731,619.80 and 2,106,752.40

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Solution

The fourth proportional to 7,156,486.80, 10,731,619.80 and 2,106,752.40 is: 3,159,212.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,156,486.80 : 10,731,619.80 = 2,106,752.40 : x
  2. Step 2: Convert to fraction form
    7,156,486.80/10,731,619.80 = 2,106,752.40/x
  3. Step 3: Cross multiply
    7,156,486.80x = 10,731,619.80 × 2,106,752.40
  4. Step 4: Simplify right side
    7,156,486.80x = 22,608,865,769,537.52
  5. Step 5: Solve for x
    x = 22,608,865,769,537.52/7,156,486.80
  6. Step 6: Final answer
    x = 3,159,212.95

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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.