Home / 12,913,002.44-17,820,748.86-7,111,782.68

Finding the Fourth Proportional to 12,913,002.44, 17,820,748.86 and 7,111,782.68

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Solution

The fourth proportional to 12,913,002.44, 17,820,748.86 and 7,111,782.68 is: 9,814,703.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,913,002.44 : 17,820,748.86 = 7,111,782.68 : x
  2. Step 2: Convert to fraction form
    12,913,002.44/17,820,748.86 = 7,111,782.68/x
  3. Step 3: Cross multiply
    12,913,002.44x = 17,820,748.86 × 7,111,782.68
  4. Step 4: Simplify right side
    12,913,002.44x = 126,737,293,087,177.73
  5. Step 5: Solve for x
    x = 126,737,293,087,177.73/12,913,002.44
  6. Step 6: Final answer
    x = 9,814,703.72

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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.