Home / 15,043,908.10-20,760,011.14-8,168,232.82

Finding the Fourth Proportional to 15,043,908.10, 20,760,011.14 and 8,168,232.82

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Solution

The fourth proportional to 15,043,908.10, 20,760,011.14 and 8,168,232.82 is: 11,271,845.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,043,908.10 : 20,760,011.14 = 8,168,232.82 : x
  2. Step 2: Convert to fraction form
    15,043,908.10/20,760,011.14 = 8,168,232.82/x
  3. Step 3: Cross multiply
    15,043,908.10x = 20,760,011.14 × 8,168,232.82
  4. Step 4: Simplify right side
    15,043,908.10x = 169,572,604,192,672.41
  5. Step 5: Solve for x
    x = 169,572,604,192,672.41/15,043,908.10
  6. Step 6: Final answer
    x = 11,271,845.26

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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.