Home / 15,036,313.92-20,750,124.48-8,160,794.16

Finding the Fourth Proportional to 15,036,313.92, 20,750,124.48 and 8,160,794.16

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Solution

The fourth proportional to 15,036,313.92, 20,750,124.48 and 8,160,794.16 is: 11,261,902.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,036,313.92 : 20,750,124.48 = 8,160,794.16 : x
  2. Step 2: Convert to fraction form
    15,036,313.92/20,750,124.48 = 8,160,794.16/x
  3. Step 3: Cross multiply
    15,036,313.92x = 20,750,124.48 × 8,160,794.16
  4. Step 4: Simplify right side
    15,036,313.92x = 169,337,494,675,657.03
  5. Step 5: Solve for x
    x = 169,337,494,675,657.03/15,036,313.92
  6. Step 6: Final answer
    x = 11,261,902.06

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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.