Home / 20,174,579.70-30,261,869.55-18,615,686.10

Finding the Fourth Proportional to 20,174,579.70, 30,261,869.55 and 18,615,686.10

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Solution

The fourth proportional to 20,174,579.70, 30,261,869.55 and 18,615,686.10 is: 27,923,529.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,174,579.70 : 30,261,869.55 = 18,615,686.10 : x
  2. Step 2: Convert to fraction form
    20,174,579.70/30,261,869.55 = 18,615,686.10/x
  3. Step 3: Cross multiply
    20,174,579.70x = 30,261,869.55 × 18,615,686.10
  4. Step 4: Simplify right side
    20,174,579.70x = 563,345,464,341,948.38
  5. Step 5: Solve for x
    x = 563,345,464,341,948.38/20,174,579.70
  6. Step 6: Final answer
    x = 27,923,529.15

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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.