Home / 12,026,142.13-18,037,971.91-8,160,420.35

Finding the Fourth Proportional to 12,026,142.13, 18,037,971.91 and 8,160,420.35

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Solution

The fourth proportional to 12,026,142.13, 18,037,971.91 and 8,160,420.35 is: 12,239,788.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,026,142.13 : 18,037,971.91 = 8,160,420.35 : x
  2. Step 2: Convert to fraction form
    12,026,142.13/18,037,971.91 = 8,160,420.35/x
  3. Step 3: Cross multiply
    12,026,142.13x = 18,037,971.91 × 8,160,420.35
  4. Step 4: Simplify right side
    12,026,142.13x = 147,197,433,071,786.25
  5. Step 5: Solve for x
    x = 147,197,433,071,786.25/12,026,142.13
  6. Step 6: Final answer
    x = 12,239,788.25

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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.