Home / 18,695,053.20-28,039,955.40-5,916,849.60

Finding the Fourth Proportional to 18,695,053.20, 28,039,955.40 and 5,916,849.60

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Solution

The fourth proportional to 18,695,053.20, 28,039,955.40 and 5,916,849.60 is: 8,874,443.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,695,053.20 : 28,039,955.40 = 5,916,849.60 : x
  2. Step 2: Convert to fraction form
    18,695,053.20/28,039,955.40 = 5,916,849.60/x
  3. Step 3: Cross multiply
    18,695,053.20x = 28,039,955.40 × 5,916,849.60
  4. Step 4: Simplify right side
    18,695,053.20x = 165,908,198,892,507.81
  5. Step 5: Solve for x
    x = 165,908,198,892,507.81/18,695,053.20
  6. Step 6: Final answer
    x = 8,874,443.80

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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.