Home / 14,772,815.64-20,385,953.64-9,269,157.24

Finding the Fourth Proportional to 14,772,815.64, 20,385,953.64 and 9,269,157.24

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Solution

The fourth proportional to 14,772,815.64, 20,385,953.64 and 9,269,157.24 is: 12,791,103.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,772,815.64 : 20,385,953.64 = 9,269,157.24 : x
  2. Step 2: Convert to fraction form
    14,772,815.64/20,385,953.64 = 9,269,157.24/x
  3. Step 3: Cross multiply
    14,772,815.64x = 20,385,953.64 × 9,269,157.24
  4. Step 4: Simplify right side
    14,772,815.64x = 188,960,609,776,510.38
  5. Step 5: Solve for x
    x = 188,960,609,776,510.38/14,772,815.64
  6. Step 6: Final answer
    x = 12,791,103.23

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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.