Home / 18,191,857.80-27,287,786.70-10,614,923.40

Finding the Fourth Proportional to 18,191,857.80, 27,287,786.70 and 10,614,923.40

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Solution

The fourth proportional to 18,191,857.80, 27,287,786.70 and 10,614,923.40 is: 15,922,385.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,191,857.80 : 27,287,786.70 = 10,614,923.40 : x
  2. Step 2: Convert to fraction form
    18,191,857.80/27,287,786.70 = 10,614,923.40/x
  3. Step 3: Cross multiply
    18,191,857.80x = 27,287,786.70 × 10,614,923.40
  4. Step 4: Simplify right side
    18,191,857.80x = 289,657,765,576,038.81
  5. Step 5: Solve for x
    x = 289,657,765,576,038.81/18,191,857.80
  6. Step 6: Final answer
    x = 15,922,385.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.