Home / 7,128,088.60-10,691,595.78-2,270,199.16

Finding the Fourth Proportional to 7,128,088.60, 10,691,595.78 and 2,270,199.16

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Solution

The fourth proportional to 7,128,088.60, 10,691,595.78 and 2,270,199.16 is: 3,405,127.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,128,088.60 : 10,691,595.78 = 2,270,199.16 : x
  2. Step 2: Convert to fraction form
    7,128,088.60/10,691,595.78 = 2,270,199.16/x
  3. Step 3: Cross multiply
    7,128,088.60x = 10,691,595.78 × 2,270,199.16
  4. Step 4: Simplify right side
    7,128,088.60x = 24,272,051,758,815.54
  5. Step 5: Solve for x
    x = 24,272,051,758,815.54/7,128,088.60
  6. Step 6: Final answer
    x = 3,405,127.67

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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.