Home / 12,010,270.74-18,007,837.46-10,189,271.94

Finding the Fourth Proportional to 12,010,270.74, 18,007,837.46 and 10,189,271.94

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Solution

The fourth proportional to 12,010,270.74, 18,007,837.46 and 10,189,271.94 is: 15,277,486.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,010,270.74 : 18,007,837.46 = 10,189,271.94 : x
  2. Step 2: Convert to fraction form
    12,010,270.74/18,007,837.46 = 10,189,271.94/x
  3. Step 3: Cross multiply
    12,010,270.74x = 18,007,837.46 × 10,189,271.94
  4. Step 4: Simplify right side
    12,010,270.74x = 183,486,752,866,692.84
  5. Step 5: Solve for x
    x = 183,486,752,866,692.84/12,010,270.74
  6. Step 6: Final answer
    x = 15,277,486.82

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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.