Home / 20,201,516.64-30,314,347.20-7,423,313.04

Finding the Fourth Proportional to 20,201,516.64, 30,314,347.20 and 7,423,313.04

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Solution

The fourth proportional to 20,201,516.64, 30,314,347.20 and 7,423,313.04 is: 11,139,405.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,201,516.64 : 30,314,347.20 = 7,423,313.04 : x
  2. Step 2: Convert to fraction form
    20,201,516.64/30,314,347.20 = 7,423,313.04/x
  3. Step 3: Cross multiply
    20,201,516.64x = 30,314,347.20 × 7,423,313.04
  4. Step 4: Simplify right side
    20,201,516.64x = 225,032,888,868,847.47
  5. Step 5: Solve for x
    x = 225,032,888,868,847.47/20,201,516.64
  6. Step 6: Final answer
    x = 11,139,405.66

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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.