Home / 15,430,391.18-23,129,384.61-5,191,696.62

Finding the Fourth Proportional to 15,430,391.18, 23,129,384.61 and 5,191,696.62

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Solution

The fourth proportional to 15,430,391.18, 23,129,384.61 and 5,191,696.62 is: 7,782,093.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,430,391.18 : 23,129,384.61 = 5,191,696.62 : x
  2. Step 2: Convert to fraction form
    15,430,391.18/23,129,384.61 = 5,191,696.62/x
  3. Step 3: Cross multiply
    15,430,391.18x = 23,129,384.61 × 5,191,696.62
  4. Step 4: Simplify right side
    15,430,391.18x = 120,080,747,902,417.02
  5. Step 5: Solve for x
    x = 120,080,747,902,417.02/15,430,391.18
  6. Step 6: Final answer
    x = 7,782,093.57

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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.