Home / 28,201,691.10-42,302,536.65-18,614,827.20

Finding the Fourth Proportional to 28,201,691.10, 42,302,536.65 and 18,614,827.20

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Solution

The fourth proportional to 28,201,691.10, 42,302,536.65 and 18,614,827.20 is: 27,922,240.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,201,691.10 : 42,302,536.65 = 18,614,827.20 : x
  2. Step 2: Convert to fraction form
    28,201,691.10/42,302,536.65 = 18,614,827.20/x
  3. Step 3: Cross multiply
    28,201,691.10x = 42,302,536.65 × 18,614,827.20
  4. Step 4: Simplify right side
    28,201,691.10x = 787,454,409,861,416.88
  5. Step 5: Solve for x
    x = 787,454,409,861,416.88/28,201,691.10
  6. Step 6: Final answer
    x = 27,922,240.80

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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.