Home / 18,992,412-26,209,491.93-10,290,820.14

Finding the Fourth Proportional to 18,992,412, 26,209,491.93 and 10,290,820.14

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Solution

The fourth proportional to 18,992,412, 26,209,491.93 and 10,290,820.14 is: 14,201,311.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,992,412 : 26,209,491.93 = 10,290,820.14 : x
  2. Step 2: Convert to fraction form
    18,992,412/26,209,491.93 = 10,290,820.14/x
  3. Step 3: Cross multiply
    18,992,412x = 26,209,491.93 × 10,290,820.14
  4. Step 4: Simplify right side
    18,992,412x = 269,717,167,412,411.47
  5. Step 5: Solve for x
    x = 269,717,167,412,411.47/18,992,412
  6. Step 6: Final answer
    x = 14,201,311.95

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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.