Home / 18,701,924.76-25,808,411.70-10,442,127.62

Finding the Fourth Proportional to 18,701,924.76, 25,808,411.70 and 10,442,127.62

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Solution

The fourth proportional to 18,701,924.76, 25,808,411.70 and 10,442,127.62 is: 14,409,999.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,701,924.76 : 25,808,411.70 = 10,442,127.62 : x
  2. Step 2: Convert to fraction form
    18,701,924.76/25,808,411.70 = 10,442,127.62/x
  3. Step 3: Cross multiply
    18,701,924.76x = 25,808,411.70 × 10,442,127.62
  4. Step 4: Simplify right side
    18,701,924.76x = 269,494,728,705,422.19
  5. Step 5: Solve for x
    x = 269,494,728,705,422.19/18,701,924.76
  6. Step 6: Final answer
    x = 14,409,999.62

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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.