Home / 20,165,085.18-30,247,472.25-5,018,914.62

Finding the Fourth Proportional to 20,165,085.18, 30,247,472.25 and 5,018,914.62

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Solution

The fourth proportional to 20,165,085.18, 30,247,472.25 and 5,018,914.62 is: 7,528,333.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,165,085.18 : 30,247,472.25 = 5,018,914.62 : x
  2. Step 2: Convert to fraction form
    20,165,085.18/30,247,472.25 = 5,018,914.62/x
  3. Step 3: Cross multiply
    20,165,085.18x = 30,247,472.25 × 5,018,914.62
  4. Step 4: Simplify right side
    20,165,085.18x = 151,809,480,693,569.31
  5. Step 5: Solve for x
    x = 151,809,480,693,569.31/20,165,085.18
  6. Step 6: Final answer
    x = 7,528,333.22

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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.