Home / 18,172,400.70-27,258,601.05-13,070,567.10

Finding the Fourth Proportional to 18,172,400.70, 27,258,601.05 and 13,070,567.10

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Solution

The fourth proportional to 18,172,400.70, 27,258,601.05 and 13,070,567.10 is: 19,605,850.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,172,400.70 : 27,258,601.05 = 13,070,567.10 : x
  2. Step 2: Convert to fraction form
    18,172,400.70/27,258,601.05 = 13,070,567.10/x
  3. Step 3: Cross multiply
    18,172,400.70x = 27,258,601.05 × 13,070,567.10
  4. Step 4: Simplify right side
    18,172,400.70x = 356,285,374,076,155.44
  5. Step 5: Solve for x
    x = 356,285,374,076,155.44/18,172,400.70
  6. Step 6: Final answer
    x = 19,605,850.65

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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.