Home / 21,991,502.40-30,349,295.64-13,736,452.20

Finding the Fourth Proportional to 21,991,502.40, 30,349,295.64 and 13,736,452.20

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Solution

The fourth proportional to 21,991,502.40, 30,349,295.64 and 13,736,452.20 is: 18,956,942.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,991,502.40 : 30,349,295.64 = 13,736,452.20 : x
  2. Step 2: Convert to fraction form
    21,991,502.40/30,349,295.64 = 13,736,452.20/x
  3. Step 3: Cross multiply
    21,991,502.40x = 30,349,295.64 × 13,736,452.20
  4. Step 4: Simplify right side
    21,991,502.40x = 416,891,648,862,528.38
  5. Step 5: Solve for x
    x = 416,891,648,862,528.38/21,991,502.40
  6. Step 6: Final answer
    x = 18,956,942.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.