Home / 15,057,271.94-20,779,166.84-8,181,753.98

Finding the Fourth Proportional to 15,057,271.94, 20,779,166.84 and 8,181,753.98

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Solution

The fourth proportional to 15,057,271.94, 20,779,166.84 and 8,181,753.98 is: 11,290,891.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,057,271.94 : 20,779,166.84 = 8,181,753.98 : x
  2. Step 2: Convert to fraction form
    15,057,271.94/20,779,166.84 = 8,181,753.98/x
  3. Step 3: Cross multiply
    15,057,271.94x = 20,779,166.84 × 8,181,753.98
  4. Step 4: Simplify right side
    15,057,271.94x = 170,010,030,849,449.41
  5. Step 5: Solve for x
    x = 170,010,030,849,449.41/15,057,271.94
  6. Step 6: Final answer
    x = 11,290,891.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.