Home / 12,142,164.90-18,210,914.55-3,622,779.30

Finding the Fourth Proportional to 12,142,164.90, 18,210,914.55 and 3,622,779.30

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Solution

The fourth proportional to 12,142,164.90, 18,210,914.55 and 3,622,779.30 is: 5,433,472.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,142,164.90 : 18,210,914.55 = 3,622,779.30 : x
  2. Step 2: Convert to fraction form
    12,142,164.90/18,210,914.55 = 3,622,779.30/x
  3. Step 3: Cross multiply
    12,142,164.90x = 18,210,914.55 × 3,622,779.30
  4. Step 4: Simplify right side
    12,142,164.90x = 65,974,124,265,808.81
  5. Step 5: Solve for x
    x = 65,974,124,265,808.81/12,142,164.90
  6. Step 6: Final answer
    x = 5,433,472.93

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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.