Home / 13,185,389.48-19,773,894.27-12,324,680.43

Finding the Fourth Proportional to 13,185,389.48, 19,773,894.27 and 12,324,680.43

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Solution

The fourth proportional to 13,185,389.48, 19,773,894.27 and 12,324,680.43 is: 18,483,104.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,185,389.48 : 19,773,894.27 = 12,324,680.43 : x
  2. Step 2: Convert to fraction form
    13,185,389.48/19,773,894.27 = 12,324,680.43/x
  3. Step 3: Cross multiply
    13,185,389.48x = 19,773,894.27 × 12,324,680.43
  4. Step 4: Simplify right side
    13,185,389.48x = 243,706,927,734,358.12
  5. Step 5: Solve for x
    x = 243,706,927,734,358.12/13,185,389.48
  6. Step 6: Final answer
    x = 18,483,104.21

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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.