Home / 13,134,166.65-18,123,775.10-7,626,467.90

Finding the Fourth Proportional to 13,134,166.65, 18,123,775.10 and 7,626,467.90

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Solution

The fourth proportional to 13,134,166.65, 18,123,775.10 and 7,626,467.90 is: 10,523,727.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,134,166.65 : 18,123,775.10 = 7,626,467.90 : x
  2. Step 2: Convert to fraction form
    13,134,166.65/18,123,775.10 = 7,626,467.90/x
  3. Step 3: Cross multiply
    13,134,166.65x = 18,123,775.10 × 7,626,467.90
  4. Step 4: Simplify right side
    13,134,166.65x = 138,220,389,026,969.31
  5. Step 5: Solve for x
    x = 138,220,389,026,969.31/13,134,166.65
  6. Step 6: Final answer
    x = 10,523,727.37

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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.