Home / 18,709,124-25,818,591.12-10,124,420

Finding the Fourth Proportional to 18,709,124, 25,818,591.12 and 10,124,420

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Solution

The fourth proportional to 18,709,124, 25,818,591.12 and 10,124,420 is: 13,971,699.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,709,124 : 25,818,591.12 = 10,124,420 : x
  2. Step 2: Convert to fraction form
    18,709,124/25,818,591.12 = 10,124,420/x
  3. Step 3: Cross multiply
    18,709,124x = 25,818,591.12 × 10,124,420
  4. Step 4: Simplify right side
    18,709,124x = 261,398,260,307,150.41
  5. Step 5: Solve for x
    x = 261,398,260,307,150.41/18,709,124
  6. Step 6: Final answer
    x = 13,971,699.60

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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.