Home / 14,842,603.72-20,489,063.70-9,690,381.64

Finding the Fourth Proportional to 14,842,603.72, 20,489,063.70 and 9,690,381.64

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Solution

The fourth proportional to 14,842,603.72, 20,489,063.70 and 9,690,381.64 is: 13,376,820.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,842,603.72 : 20,489,063.70 = 9,690,381.64 : x
  2. Step 2: Convert to fraction form
    14,842,603.72/20,489,063.70 = 9,690,381.64/x
  3. Step 3: Cross multiply
    14,842,603.72x = 20,489,063.70 × 9,690,381.64
  4. Step 4: Simplify right side
    14,842,603.72x = 198,546,846,699,270.47
  5. Step 5: Solve for x
    x = 198,546,846,699,270.47/14,842,603.72
  6. Step 6: Final answer
    x = 13,376,820.57

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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.