Home / 15,033,490.48-20,746,273.26-8,157,973.96

Finding the Fourth Proportional to 15,033,490.48, 20,746,273.26 and 8,157,973.96

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Solution

The fourth proportional to 15,033,490.48, 20,746,273.26 and 8,157,973.96 is: 11,258,034.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,033,490.48 : 20,746,273.26 = 8,157,973.96 : x
  2. Step 2: Convert to fraction form
    15,033,490.48/20,746,273.26 = 8,157,973.96/x
  3. Step 3: Cross multiply
    15,033,490.48x = 20,746,273.26 × 8,157,973.96
  4. Step 4: Simplify right side
    15,033,490.48x = 169,247,557,022,124.31
  5. Step 5: Solve for x
    x = 169,247,557,022,124.31/15,033,490.48
  6. Step 6: Final answer
    x = 11,258,034.67

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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.