Home / 20,402,490.60-30,603,735.90-17,745,285.60

Finding the Fourth Proportional to 20,402,490.60, 30,603,735.90 and 17,745,285.60

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Solution

The fourth proportional to 20,402,490.60, 30,603,735.90 and 17,745,285.60 is: 26,617,928.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,402,490.60 : 30,603,735.90 = 17,745,285.60 : x
  2. Step 2: Convert to fraction form
    20,402,490.60/30,603,735.90 = 17,745,285.60/x
  3. Step 3: Cross multiply
    20,402,490.60x = 30,603,735.90 × 17,745,285.60
  4. Step 4: Simplify right side
    20,402,490.60x = 543,072,033,972,473.06
  5. Step 5: Solve for x
    x = 543,072,033,972,473.06/20,402,490.60
  6. Step 6: Final answer
    x = 26,617,928.40

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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.