Home / 12,302,042.15-18,453,063.23-7,179,213.35

Finding the Fourth Proportional to 12,302,042.15, 18,453,063.23 and 7,179,213.35

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Solution

The fourth proportional to 12,302,042.15, 18,453,063.23 and 7,179,213.35 is: 10,768,820.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,302,042.15 : 18,453,063.23 = 7,179,213.35 : x
  2. Step 2: Convert to fraction form
    12,302,042.15/18,453,063.23 = 7,179,213.35/x
  3. Step 3: Cross multiply
    12,302,042.15x = 18,453,063.23 × 7,179,213.35
  4. Step 4: Simplify right side
    12,302,042.15x = 132,478,477,889,210.11
  5. Step 5: Solve for x
    x = 132,478,477,889,210.11/12,302,042.15
  6. Step 6: Final answer
    x = 10,768,820.03

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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.