Home / 12,923,566.11-17,834,521.33-7,122,347.94

Finding the Fourth Proportional to 12,923,566.11, 17,834,521.33 and 7,122,347.94

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Solution

The fourth proportional to 12,923,566.11, 17,834,521.33 and 7,122,347.94 is: 9,828,840.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,923,566.11 : 17,834,521.33 = 7,122,347.94 : x
  2. Step 2: Convert to fraction form
    12,923,566.11/17,834,521.33 = 7,122,347.94/x
  3. Step 3: Cross multiply
    12,923,566.11x = 17,834,521.33 × 7,122,347.94
  4. Step 4: Simplify right side
    12,923,566.11x = 127,023,666,255,611.56
  5. Step 5: Solve for x
    x = 127,023,666,255,611.56/12,923,566.11
  6. Step 6: Final answer
    x = 9,828,840.21

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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.