Home / 18,221,259.18-25,144,139.43-10,485,052.86

Finding the Fourth Proportional to 18,221,259.18, 25,144,139.43 and 10,485,052.86

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Solution

The fourth proportional to 18,221,259.18, 25,144,139.43 and 10,485,052.86 is: 14,468,683.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,221,259.18 : 25,144,139.43 = 10,485,052.86 : x
  2. Step 2: Convert to fraction form
    18,221,259.18/25,144,139.43 = 10,485,052.86/x
  3. Step 3: Cross multiply
    18,221,259.18x = 25,144,139.43 × 10,485,052.86
  4. Step 4: Simplify right side
    18,221,259.18x = 263,637,631,042,760.25
  5. Step 5: Solve for x
    x = 263,637,631,042,760.25/18,221,259.18
  6. Step 6: Final answer
    x = 14,468,683.44

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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.