Home / 28,012,919.70-41,996,051.55-11,851,281.30

Finding the Fourth Proportional to 28,012,919.70, 41,996,051.55 and 11,851,281.30

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Solution

The fourth proportional to 28,012,919.70, 41,996,051.55 and 11,851,281.30 is: 17,767,052.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,012,919.70 : 41,996,051.55 = 11,851,281.30 : x
  2. Step 2: Convert to fraction form
    28,012,919.70/41,996,051.55 = 11,851,281.30/x
  3. Step 3: Cross multiply
    28,012,919.70x = 41,996,051.55 × 11,851,281.30
  4. Step 4: Simplify right side
    28,012,919.70x = 497,707,020,408,351
  5. Step 5: Solve for x
    x = 497,707,020,408,351/28,012,919.70
  6. Step 6: Final answer
    x = 17,767,052.69

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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.