Home / 15,421,779.70-21,282,181.17-8,546,374.90

Finding the Fourth Proportional to 15,421,779.70, 21,282,181.17 and 8,546,374.90

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Solution

The fourth proportional to 15,421,779.70, 21,282,181.17 and 8,546,374.90 is: 11,794,066.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,421,779.70 : 21,282,181.17 = 8,546,374.90 : x
  2. Step 2: Convert to fraction form
    15,421,779.70/21,282,181.17 = 8,546,374.90/x
  3. Step 3: Cross multiply
    15,421,779.70x = 21,282,181.17 × 8,546,374.90
  4. Step 4: Simplify right side
    15,421,779.70x = 181,885,498,968,540.66
  5. Step 5: Solve for x
    x = 181,885,498,968,540.66/15,421,779.70
  6. Step 6: Final answer
    x = 11,794,066.74

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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.