Home / 15,085,693.10-20,820,450.40-8,471,024.12

Finding the Fourth Proportional to 15,085,693.10, 20,820,450.40 and 8,471,024.12

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Solution

The fourth proportional to 15,085,693.10, 20,820,450.40 and 8,471,024.12 is: 11,691,245.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,085,693.10 : 20,820,450.40 = 8,471,024.12 : x
  2. Step 2: Convert to fraction form
    15,085,693.10/20,820,450.40 = 8,471,024.12/x
  3. Step 3: Cross multiply
    15,085,693.10x = 20,820,450.40 × 8,471,024.12
  4. Step 4: Simplify right side
    15,085,693.10x = 176,370,537,527,663.62
  5. Step 5: Solve for x
    x = 176,370,537,527,663.62/15,085,693.10
  6. Step 6: Final answer
    x = 11,691,245.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.