Home / 25,275,354.72-34,879,884.40-13,672,889.60

Finding the Fourth Proportional to 25,275,354.72, 34,879,884.40 and 13,672,889.60

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Solution

The fourth proportional to 25,275,354.72, 34,879,884.40 and 13,672,889.60 is: 18,868,530.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,275,354.72 : 34,879,884.40 = 13,672,889.60 : x
  2. Step 2: Convert to fraction form
    25,275,354.72/34,879,884.40 = 13,672,889.60/x
  3. Step 3: Cross multiply
    25,275,354.72x = 34,879,884.40 × 13,672,889.60
  4. Step 4: Simplify right side
    25,275,354.72x = 476,908,808,661,962.19
  5. Step 5: Solve for x
    x = 476,908,808,661,962.19/25,275,354.72
  6. Step 6: Final answer
    x = 18,868,530.79

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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.