Home / 18,988,508.11-26,238,900.50-13,822,901.59

Finding the Fourth Proportional to 18,988,508.11, 26,238,900.50 and 13,822,901.59

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Solution

The fourth proportional to 18,988,508.11, 26,238,900.50 and 13,822,901.59 is: 19,100,907.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,988,508.11 : 26,238,900.50 = 13,822,901.59 : x
  2. Step 2: Convert to fraction form
    18,988,508.11/26,238,900.50 = 13,822,901.59/x
  3. Step 3: Cross multiply
    18,988,508.11x = 26,238,900.50 × 13,822,901.59
  4. Step 4: Simplify right side
    18,988,508.11x = 362,697,739,441,301.81
  5. Step 5: Solve for x
    x = 362,697,739,441,301.81/18,988,508.11
  6. Step 6: Final answer
    x = 19,100,907.63

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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.