Home / 20,736,048.90-31,104,073.35-20,610,077.70

Finding the Fourth Proportional to 20,736,048.90, 31,104,073.35 and 20,610,077.70

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Solution

The fourth proportional to 20,736,048.90, 31,104,073.35 and 20,610,077.70 is: 30,915,116.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,736,048.90 : 31,104,073.35 = 20,610,077.70 : x
  2. Step 2: Convert to fraction form
    20,736,048.90/31,104,073.35 = 20,610,077.70/x
  3. Step 3: Cross multiply
    20,736,048.90x = 31,104,073.35 × 20,610,077.70
  4. Step 4: Simplify right side
    20,736,048.90x = 641,057,368,529,999.25
  5. Step 5: Solve for x
    x = 641,057,368,529,999.25/20,736,048.90
  6. Step 6: Final answer
    x = 30,915,116.55

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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.