Home / 12,923,220.86-17,834,044.95-7,122,002.54

Finding the Fourth Proportional to 12,923,220.86, 17,834,044.95 and 7,122,002.54

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Solution

The fourth proportional to 12,923,220.86, 17,834,044.95 and 7,122,002.54 is: 9,828,363.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,923,220.86 : 17,834,044.95 = 7,122,002.54 : x
  2. Step 2: Convert to fraction form
    12,923,220.86/17,834,044.95 = 7,122,002.54/x
  3. Step 3: Cross multiply
    12,923,220.86x = 17,834,044.95 × 7,122,002.54
  4. Step 4: Simplify right side
    12,923,220.86x = 127,014,113,343,203.95
  5. Step 5: Solve for x
    x = 127,014,113,343,203.95/12,923,220.86
  6. Step 6: Final answer
    x = 9,828,363.59

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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.