Home / 18,452,001.70-27,678,002.55-7,092,820.90

Finding the Fourth Proportional to 18,452,001.70, 27,678,002.55 and 7,092,820.90

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Solution

The fourth proportional to 18,452,001.70, 27,678,002.55 and 7,092,820.90 is: 10,639,231.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,452,001.70 : 27,678,002.55 = 7,092,820.90 : x
  2. Step 2: Convert to fraction form
    18,452,001.70/27,678,002.55 = 7,092,820.90/x
  3. Step 3: Cross multiply
    18,452,001.70x = 27,678,002.55 × 7,092,820.90
  4. Step 4: Simplify right side
    18,452,001.70x = 196,315,114,956,893.31
  5. Step 5: Solve for x
    x = 196,315,114,956,893.31/18,452,001.70
  6. Step 6: Final answer
    x = 10,639,231.35

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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.