Home / 12,923,566.43-17,834,521.75-7,122,348.25

Finding the Fourth Proportional to 12,923,566.43, 17,834,521.75 and 7,122,348.25

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Solution

The fourth proportional to 12,923,566.43, 17,834,521.75 and 7,122,348.25 is: 9,828,840.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,923,566.43 : 17,834,521.75 = 7,122,348.25 : x
  2. Step 2: Convert to fraction form
    12,923,566.43/17,834,521.75 = 7,122,348.25/x
  3. Step 3: Cross multiply
    12,923,566.43x = 17,834,521.75 × 7,122,348.25
  4. Step 4: Simplify right side
    12,923,566.43x = 127,023,674,713,307.25
  5. Step 5: Solve for x
    x = 127,023,674,713,307.25/12,923,566.43
  6. Step 6: Final answer
    x = 9,828,840.63

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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.