Home / 26,878,512.40-40,317,768.60-20,160,048.40

Finding the Fourth Proportional to 26,878,512.40, 40,317,768.60 and 20,160,048.40

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Solution

The fourth proportional to 26,878,512.40, 40,317,768.60 and 20,160,048.40 is: 30,240,072.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,878,512.40 : 40,317,768.60 = 20,160,048.40 : x
  2. Step 2: Convert to fraction form
    26,878,512.40/40,317,768.60 = 20,160,048.40/x
  3. Step 3: Cross multiply
    26,878,512.40x = 40,317,768.60 × 20,160,048.40
  4. Step 4: Simplify right side
    26,878,512.40x = 812,808,166,356,000.25
  5. Step 5: Solve for x
    x = 812,808,166,356,000.25/26,878,512.40
  6. Step 6: Final answer
    x = 30,240,072.60

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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.