Home / 12,117,166.98-16,721,737.38-6,610,665.48

Finding the Fourth Proportional to 12,117,166.98, 16,721,737.38 and 6,610,665.48

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Solution

The fourth proportional to 12,117,166.98, 16,721,737.38 and 6,610,665.48 is: 9,122,743.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,117,166.98 : 16,721,737.38 = 6,610,665.48 : x
  2. Step 2: Convert to fraction form
    12,117,166.98/16,721,737.38 = 6,610,665.48/x
  3. Step 3: Cross multiply
    12,117,166.98x = 16,721,737.38 × 6,610,665.48
  4. Step 4: Simplify right side
    12,117,166.98x = 110,541,812,063,591.66
  5. Step 5: Solve for x
    x = 110,541,812,063,591.66/12,117,166.98
  6. Step 6: Final answer
    x = 9,122,743.98

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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.