Home / 8,412,085.35-12,620,387.43-2,655,041.58

Finding the Fourth Proportional to 8,412,085.35, 12,620,387.43 and 2,655,041.58

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Solution

The fourth proportional to 8,412,085.35, 12,620,387.43 and 2,655,041.58 is: 3,983,275.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,412,085.35 : 12,620,387.43 = 2,655,041.58 : x
  2. Step 2: Convert to fraction form
    8,412,085.35/12,620,387.43 = 2,655,041.58/x
  3. Step 3: Cross multiply
    8,412,085.35x = 12,620,387.43 × 2,655,041.58
  4. Step 4: Simplify right side
    8,412,085.35x = 33,507,653,382,359.34
  5. Step 5: Solve for x
    x = 33,507,653,382,359.34/8,412,085.35
  6. Step 6: Final answer
    x = 3,983,275.49

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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.