Home / 28,201,673.10-42,302,509.65-18,614,809.20

Finding the Fourth Proportional to 28,201,673.10, 42,302,509.65 and 18,614,809.20

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Solution

The fourth proportional to 28,201,673.10, 42,302,509.65 and 18,614,809.20 is: 27,922,213.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,201,673.10 : 42,302,509.65 = 18,614,809.20 : x
  2. Step 2: Convert to fraction form
    28,201,673.10/42,302,509.65 = 18,614,809.20/x
  3. Step 3: Cross multiply
    28,201,673.10x = 42,302,509.65 × 18,614,809.20
  4. Step 4: Simplify right side
    28,201,673.10x = 787,453,145,815,908.75
  5. Step 5: Solve for x
    x = 787,453,145,815,908.75/28,201,673.10
  6. Step 6: Final answer
    x = 27,922,213.80

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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.