Home / 28,673,267.81-39,569,040.29-15,620,633.98

Finding the Fourth Proportional to 28,673,267.81, 39,569,040.29 and 15,620,633.98

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Solution

The fourth proportional to 28,673,267.81, 39,569,040.29 and 15,620,633.98 is: 21,556,437.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,673,267.81 : 39,569,040.29 = 15,620,633.98 : x
  2. Step 2: Convert to fraction form
    28,673,267.81/39,569,040.29 = 15,620,633.98/x
  3. Step 3: Cross multiply
    28,673,267.81x = 39,569,040.29 × 15,620,633.98
  4. Step 4: Simplify right side
    28,673,267.81x = 618,093,495,250,092
  5. Step 5: Solve for x
    x = 618,093,495,250,092/28,673,267.81
  6. Step 6: Final answer
    x = 21,556,437.15

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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.