Home / 21,140,200-29,173,505.16-11,482,408

Finding the Fourth Proportional to 21,140,200, 29,173,505.16 and 11,482,408

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Solution

The fourth proportional to 21,140,200, 29,173,505.16 and 11,482,408 is: 15,845,738.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,140,200 : 29,173,505.16 = 11,482,408 : x
  2. Step 2: Convert to fraction form
    21,140,200/29,173,505.16 = 11,482,408/x
  3. Step 3: Cross multiply
    21,140,200x = 29,173,505.16 × 11,482,408
  4. Step 4: Simplify right side
    21,140,200x = 334,982,089,037,225.31
  5. Step 5: Solve for x
    x = 334,982,089,037,225.31/21,140,200
  6. Step 6: Final answer
    x = 15,845,738.88

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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.