Home / 15,359,365.43-21,195,519.59-8,483,699.87

Finding the Fourth Proportional to 15,359,365.43, 21,195,519.59 and 8,483,699.87

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Solution

The fourth proportional to 15,359,365.43, 21,195,519.59 and 8,483,699.87 is: 11,707,282.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,359,365.43 : 21,195,519.59 = 8,483,699.87 : x
  2. Step 2: Convert to fraction form
    15,359,365.43/21,195,519.59 = 8,483,699.87/x
  3. Step 3: Cross multiply
    15,359,365.43x = 21,195,519.59 × 8,483,699.87
  4. Step 4: Simplify right side
    15,359,365.43x = 179,816,426,747,846.94
  5. Step 5: Solve for x
    x = 179,816,426,747,846.94/15,359,365.43
  6. Step 6: Final answer
    x = 11,707,282.28

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1.5x scale

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.