Home / 18,146,078.40-27,219,117.60-16,466,462.40

Finding the Fourth Proportional to 18,146,078.40, 27,219,117.60 and 16,466,462.40

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Solution

The fourth proportional to 18,146,078.40, 27,219,117.60 and 16,466,462.40 is: 24,699,693.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,146,078.40 : 27,219,117.60 = 16,466,462.40 : x
  2. Step 2: Convert to fraction form
    18,146,078.40/27,219,117.60 = 16,466,462.40/x
  3. Step 3: Cross multiply
    18,146,078.40x = 27,219,117.60 × 16,466,462.40
  4. Step 4: Simplify right side
    18,146,078.40x = 448,202,576,521,578.25
  5. Step 5: Solve for x
    x = 448,202,576,521,578.25/18,146,078.40
  6. Step 6: Final answer
    x = 24,699,693.60

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Similar ratio
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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.