Home / 7,985,877.57-11,980,837.04-2,228,610.51

Finding the Fourth Proportional to 7,985,877.57, 11,980,837.04 and 2,228,610.51

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Solution

The fourth proportional to 7,985,877.57, 11,980,837.04 and 2,228,610.51 is: 3,343,479.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,985,877.57 : 11,980,837.04 = 2,228,610.51 : x
  2. Step 2: Convert to fraction form
    7,985,877.57/11,980,837.04 = 2,228,610.51/x
  3. Step 3: Cross multiply
    7,985,877.57x = 11,980,837.04 × 2,228,610.51
  4. Step 4: Simplify right side
    7,985,877.57x = 26,700,619,334,798.23
  5. Step 5: Solve for x
    x = 26,700,619,334,798.23/7,985,877.57
  6. Step 6: Final answer
    x = 3,343,479.67

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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.