Home / 20,765,626.58-28,656,396.24-11,473,167.68

Finding the Fourth Proportional to 20,765,626.58, 28,656,396.24 and 11,473,167.68

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Solution

The fourth proportional to 20,765,626.58, 28,656,396.24 and 11,473,167.68 is: 15,832,878.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,765,626.58 : 28,656,396.24 = 11,473,167.68 : x
  2. Step 2: Convert to fraction form
    20,765,626.58/28,656,396.24 = 11,473,167.68/x
  3. Step 3: Cross multiply
    20,765,626.58x = 28,656,396.24 × 11,473,167.68
  4. Step 4: Simplify right side
    20,765,626.58x = 328,779,639,166,041.50
  5. Step 5: Solve for x
    x = 328,779,639,166,041.50/20,765,626.58
  6. Step 6: Final answer
    x = 15,832,878.33

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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.