Home / 13,780,051.38-20,656,182.02-8,666,136.02

Finding the Fourth Proportional to 13,780,051.38, 20,656,182.02 and 8,666,136.02

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Solution

The fourth proportional to 13,780,051.38, 20,656,182.02 and 8,666,136.02 is: 12,990,465.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,780,051.38 : 20,656,182.02 = 8,666,136.02 : x
  2. Step 2: Convert to fraction form
    13,780,051.38/20,656,182.02 = 8,666,136.02/x
  3. Step 3: Cross multiply
    13,780,051.38x = 20,656,182.02 × 8,666,136.02
  4. Step 4: Simplify right side
    13,780,051.38x = 179,009,283,039,198.34
  5. Step 5: Solve for x
    x = 179,009,283,039,198.34/13,780,051.38
  6. Step 6: Final answer
    x = 12,990,465.57

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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.