Home / 21,793,999.56-30,075,719.28-12,631,956.72

Finding the Fourth Proportional to 21,793,999.56, 30,075,719.28 and 12,631,956.72

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Solution

The fourth proportional to 21,793,999.56, 30,075,719.28 and 12,631,956.72 is: 17,432,100.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,793,999.56 : 30,075,719.28 = 12,631,956.72 : x
  2. Step 2: Convert to fraction form
    21,793,999.56/30,075,719.28 = 12,631,956.72/x
  3. Step 3: Cross multiply
    21,793,999.56x = 30,075,719.28 × 12,631,956.72
  4. Step 4: Simplify right side
    21,793,999.56x = 379,915,184,267,829.62
  5. Step 5: Solve for x
    x = 379,915,184,267,829.62/21,793,999.56
  6. Step 6: Final answer
    x = 17,432,100.21

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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.