Home / 18,988,506.11-26,238,897.74-13,822,899.59

Finding the Fourth Proportional to 18,988,506.11, 26,238,897.74 and 13,822,899.59

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Solution

The fourth proportional to 18,988,506.11, 26,238,897.74 and 13,822,899.59 is: 19,100,904.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,988,506.11 : 26,238,897.74 = 13,822,899.59 : x
  2. Step 2: Convert to fraction form
    18,988,506.11/26,238,897.74 = 13,822,899.59/x
  3. Step 3: Cross multiply
    18,988,506.11x = 26,238,897.74 × 13,822,899.59
  4. Step 4: Simplify right side
    18,988,506.11x = 362,697,648,812,297.88
  5. Step 5: Solve for x
    x = 362,697,648,812,297.88/18,988,506.11
  6. Step 6: Final answer
    x = 19,100,904.87

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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.