Home / 18,194,007.30-25,108,079.55-9,934,397.07

Finding the Fourth Proportional to 18,194,007.30, 25,108,079.55 and 9,934,397.07

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Solution

The fourth proportional to 18,194,007.30, 25,108,079.55 and 9,934,397.07 is: 13,709,658.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,194,007.30 : 25,108,079.55 = 9,934,397.07 : x
  2. Step 2: Convert to fraction form
    18,194,007.30/25,108,079.55 = 9,934,397.07/x
  3. Step 3: Cross multiply
    18,194,007.30x = 25,108,079.55 × 9,934,397.07
  4. Step 4: Simplify right side
    18,194,007.30x = 249,433,631,914,846.94
  5. Step 5: Solve for x
    x = 249,433,631,914,846.94/18,194,007.30
  6. Step 6: Final answer
    x = 13,709,658.78

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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.