Home / 28,434,779.08-39,239,876.82-15,382,005.80

Finding the Fourth Proportional to 28,434,779.08, 39,239,876.82 and 15,382,005.80

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Solution

The fourth proportional to 28,434,779.08, 39,239,876.82 and 15,382,005.80 is: 21,227,104.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,434,779.08 : 39,239,876.82 = 15,382,005.80 : x
  2. Step 2: Convert to fraction form
    28,434,779.08/39,239,876.82 = 15,382,005.80/x
  3. Step 3: Cross multiply
    28,434,779.08x = 39,239,876.82 × 15,382,005.80
  4. Step 4: Simplify right side
    28,434,779.08x = 603,588,012,836,525.62
  5. Step 5: Solve for x
    x = 603,588,012,836,525.62/28,434,779.08
  6. Step 6: Final answer
    x = 21,227,104.00

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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.