Home / 20,203,748.32-27,824,492.64-18,907,003.12

Finding the Fourth Proportional to 20,203,748.32, 27,824,492.64 and 18,907,003.12

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Solution

The fourth proportional to 20,203,748.32, 27,824,492.64 and 18,907,003.12 is: 26,038,622.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,203,748.32 : 27,824,492.64 = 18,907,003.12 : x
  2. Step 2: Convert to fraction form
    20,203,748.32/27,824,492.64 = 18,907,003.12/x
  3. Step 3: Cross multiply
    20,203,748.32x = 27,824,492.64 × 18,907,003.12
  4. Step 4: Simplify right side
    20,203,748.32x = 526,077,769,156,897.06
  5. Step 5: Solve for x
    x = 526,077,769,156,897.06/20,203,748.32
  6. Step 6: Final answer
    x = 26,038,622.18

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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.