Home / 15,357,683.26-21,193,463.34-8,388,359.33

Finding the Fourth Proportional to 15,357,683.26, 21,193,463.34 and 8,388,359.33

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Solution

The fourth proportional to 15,357,683.26, 21,193,463.34 and 8,388,359.33 is: 11,575,859.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,357,683.26 : 21,193,463.34 = 8,388,359.33 : x
  2. Step 2: Convert to fraction form
    15,357,683.26/21,193,463.34 = 8,388,359.33/x
  3. Step 3: Cross multiply
    15,357,683.26x = 21,193,463.34 × 8,388,359.33
  4. Step 4: Simplify right side
    15,357,683.26x = 177,778,385,996,085.62
  5. Step 5: Solve for x
    x = 177,778,385,996,085.62/15,357,683.26
  6. Step 6: Final answer
    x = 11,575,859.65

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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.