Home / 27,436,020.42-37,872,359.55-20,580,446.10

Finding the Fourth Proportional to 27,436,020.42, 37,872,359.55 and 20,580,446.10

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Solution

The fourth proportional to 27,436,020.42, 37,872,359.55 and 20,580,446.10 is: 28,409,005.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,436,020.42 : 37,872,359.55 = 20,580,446.10 : x
  2. Step 2: Convert to fraction form
    27,436,020.42/37,872,359.55 = 20,580,446.10/x
  3. Step 3: Cross multiply
    27,436,020.42x = 37,872,359.55 × 20,580,446.10
  4. Step 4: Simplify right side
    27,436,020.42x = 779,430,054,398,595.25
  5. Step 5: Solve for x
    x = 779,430,054,398,595.25/27,436,020.42
  6. Step 6: Final answer
    x = 28,409,005.48

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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.