Home / 12,114,632.70-18,181,863.45-12,020,154.30

Finding the Fourth Proportional to 12,114,632.70, 18,181,863.45 and 12,020,154.30

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Solution

The fourth proportional to 12,114,632.70, 18,181,863.45 and 12,020,154.30 is: 18,040,068.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,114,632.70 : 18,181,863.45 = 12,020,154.30 : x
  2. Step 2: Convert to fraction form
    12,114,632.70/18,181,863.45 = 12,020,154.30/x
  3. Step 3: Cross multiply
    12,114,632.70x = 18,181,863.45 × 12,020,154.30
  4. Step 4: Simplify right side
    12,114,632.70x = 218,548,804,130,530.34
  5. Step 5: Solve for x
    x = 218,548,804,130,530.34/12,114,632.70
  6. Step 6: Final answer
    x = 18,040,068.53

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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.