Home / 14,684,921.75-20,265,529.55-8,069,921.47

Finding the Fourth Proportional to 14,684,921.75, 20,265,529.55 and 8,069,921.47

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Solution

The fourth proportional to 14,684,921.75, 20,265,529.55 and 8,069,921.47 is: 11,136,677.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,684,921.75 : 20,265,529.55 = 8,069,921.47 : x
  2. Step 2: Convert to fraction form
    14,684,921.75/20,265,529.55 = 8,069,921.47/x
  3. Step 3: Cross multiply
    14,684,921.75x = 20,265,529.55 × 8,069,921.47
  4. Step 4: Simplify right side
    14,684,921.75x = 163,541,231,925,451.03
  5. Step 5: Solve for x
    x = 163,541,231,925,451.03/14,684,921.75
  6. Step 6: Final answer
    x = 11,136,677.11

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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.