Home / 12,166,801.02-16,789,037.40-7,271,048.70

Finding the Fourth Proportional to 12,166,801.02, 16,789,037.40 and 7,271,048.70

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Solution

The fourth proportional to 12,166,801.02, 16,789,037.40 and 7,271,048.70 is: 10,033,361.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,166,801.02 : 16,789,037.40 = 7,271,048.70 : x
  2. Step 2: Convert to fraction form
    12,166,801.02/16,789,037.40 = 7,271,048.70/x
  3. Step 3: Cross multiply
    12,166,801.02x = 16,789,037.40 × 7,271,048.70
  4. Step 4: Simplify right side
    12,166,801.02x = 122,073,908,561,521.38
  5. Step 5: Solve for x
    x = 122,073,908,561,521.38/12,166,801.02
  6. Step 6: Final answer
    x = 10,033,361.14

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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.