Home / 28,479,741.15-39,302,231.50-15,427,000.07

Finding the Fourth Proportional to 28,479,741.15, 39,302,231.50 and 15,427,000.07

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Solution

The fourth proportional to 28,479,741.15, 39,302,231.50 and 15,427,000.07 is: 21,289,362.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,479,741.15 : 39,302,231.50 = 15,427,000.07 : x
  2. Step 2: Convert to fraction form
    28,479,741.15/39,302,231.50 = 15,427,000.07/x
  3. Step 3: Cross multiply
    28,479,741.15x = 39,302,231.50 × 15,427,000.07
  4. Step 4: Simplify right side
    28,479,741.15x = 606,315,528,101,656.25
  5. Step 5: Solve for x
    x = 606,315,528,101,656.25/28,479,741.15
  6. Step 6: Final answer
    x = 21,289,362.32

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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.