Home / 12,123,132.63-18,175,043.15-6,999,750.93

Finding the Fourth Proportional to 12,123,132.63, 18,175,043.15 and 6,999,750.93

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Solution

The fourth proportional to 12,123,132.63, 18,175,043.15 and 6,999,750.93 is: 10,494,051.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,123,132.63 : 18,175,043.15 = 6,999,750.93 : x
  2. Step 2: Convert to fraction form
    12,123,132.63/18,175,043.15 = 6,999,750.93/x
  3. Step 3: Cross multiply
    12,123,132.63x = 18,175,043.15 × 6,999,750.93
  4. Step 4: Simplify right side
    12,123,132.63x = 127,220,775,149,174.72
  5. Step 5: Solve for x
    x = 127,220,775,149,174.72/12,123,132.63
  6. Step 6: Final answer
    x = 10,494,051.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.