Home / 18,988,805.72-26,219,570.48-17,537,920.76

Finding the Fourth Proportional to 18,988,805.72, 26,219,570.48 and 17,537,920.76

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Solution

The fourth proportional to 18,988,805.72, 26,219,570.48 and 17,537,920.76 is: 24,216,201.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,988,805.72 : 26,219,570.48 = 17,537,920.76 : x
  2. Step 2: Convert to fraction form
    18,988,805.72/26,219,570.48 = 17,537,920.76/x
  3. Step 3: Cross multiply
    18,988,805.72x = 26,219,570.48 × 17,537,920.76
  4. Step 4: Simplify right side
    18,988,805.72x = 459,836,749,439,475.19
  5. Step 5: Solve for x
    x = 459,836,749,439,475.19/18,988,805.72
  6. Step 6: Final answer
    x = 24,216,201.70

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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.