Home / 14,115,618.90-21,126,189.15-9,864,090.90

Finding the Fourth Proportional to 14,115,618.90, 21,126,189.15 and 9,864,090.90

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Solution

The fourth proportional to 14,115,618.90, 21,126,189.15 and 9,864,090.90 is: 14,763,125.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,115,618.90 : 21,126,189.15 = 9,864,090.90 : x
  2. Step 2: Convert to fraction form
    14,115,618.90/21,126,189.15 = 9,864,090.90/x
  3. Step 3: Cross multiply
    14,115,618.90x = 21,126,189.15 × 9,864,090.90
  4. Step 4: Simplify right side
    14,115,618.90x = 208,390,650,146,193.72
  5. Step 5: Solve for x
    x = 208,390,650,146,193.72/14,115,618.90
  6. Step 6: Final answer
    x = 14,763,125.27

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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.