Home / 20,056,875.40-30,085,313.10-4,910,955.40

Finding the Fourth Proportional to 20,056,875.40, 30,085,313.10 and 4,910,955.40

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Solution

The fourth proportional to 20,056,875.40, 30,085,313.10 and 4,910,955.40 is: 7,366,433.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,056,875.40 : 30,085,313.10 = 4,910,955.40 : x
  2. Step 2: Convert to fraction form
    20,056,875.40/30,085,313.10 = 4,910,955.40/x
  3. Step 3: Cross multiply
    20,056,875.40x = 30,085,313.10 × 4,910,955.40
  4. Step 4: Simplify right side
    20,056,875.40x = 147,747,630,829,135.75
  5. Step 5: Solve for x
    x = 147,747,630,829,135.75/20,056,875.40
  6. Step 6: Final answer
    x = 7,366,433.10

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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.