Home / 28,082,817.90-42,040,246.05-26,421,864.30

Finding the Fourth Proportional to 28,082,817.90, 42,040,246.05 and 26,421,864.30

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Solution

The fourth proportional to 28,082,817.90, 42,040,246.05 and 26,421,864.30 is: 39,553,782.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,082,817.90 : 42,040,246.05 = 26,421,864.30 : x
  2. Step 2: Convert to fraction form
    28,082,817.90/42,040,246.05 = 26,421,864.30/x
  3. Step 3: Cross multiply
    28,082,817.90x = 42,040,246.05 × 26,421,864.30
  4. Step 4: Simplify right side
    28,082,817.90x = 1,110,781,676,271,711
  5. Step 5: Solve for x
    x = 1,110,781,676,271,711/28,082,817.90
  6. Step 6: Final answer
    x = 39,553,782.68

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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.