Home / 28,350,438.80-42,525,420.51-7,880,098.29

Finding the Fourth Proportional to 28,350,438.80, 42,525,420.51 and 7,880,098.29

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Solution

The fourth proportional to 28,350,438.80, 42,525,420.51 and 7,880,098.29 is: 11,820,081.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,350,438.80 : 42,525,420.51 = 7,880,098.29 : x
  2. Step 2: Convert to fraction form
    28,350,438.80/42,525,420.51 = 7,880,098.29/x
  3. Step 3: Cross multiply
    28,350,438.80x = 42,525,420.51 × 7,880,098.29
  4. Step 4: Simplify right side
    28,350,438.80x = 335,104,493,442,381.94
  5. Step 5: Solve for x
    x = 335,104,493,442,381.94/28,350,438.80
  6. Step 6: Final answer
    x = 11,820,081.37

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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.