Home / 13,483,043.90-18,606,601.23-7,288,070.31

Finding the Fourth Proportional to 13,483,043.90, 18,606,601.23 and 7,288,070.31

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Solution

The fourth proportional to 13,483,043.90, 18,606,601.23 and 7,288,070.31 is: 10,057,537.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,483,043.90 : 18,606,601.23 = 7,288,070.31 : x
  2. Step 2: Convert to fraction form
    13,483,043.90/18,606,601.23 = 7,288,070.31/x
  3. Step 3: Cross multiply
    13,483,043.90x = 18,606,601.23 × 7,288,070.31
  4. Step 4: Simplify right side
    13,483,043.90x = 135,606,217,967,042.22
  5. Step 5: Solve for x
    x = 135,606,217,967,042.22/13,483,043.90
  6. Step 6: Final answer
    x = 10,057,537.38

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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.