Home / 13,459,199.34-18,573,600.60-7,347,627.84

Finding the Fourth Proportional to 13,459,199.34, 18,573,600.60 and 7,347,627.84

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Solution

The fourth proportional to 13,459,199.34, 18,573,600.60 and 7,347,627.84 is: 10,139,674.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,459,199.34 : 18,573,600.60 = 7,347,627.84 : x
  2. Step 2: Convert to fraction form
    13,459,199.34/18,573,600.60 = 7,347,627.84/x
  3. Step 3: Cross multiply
    13,459,199.34x = 18,573,600.60 × 7,347,627.84
  4. Step 4: Simplify right side
    13,459,199.34x = 136,471,904,815,503.31
  5. Step 5: Solve for x
    x = 136,471,904,815,503.31/13,459,199.34
  6. Step 6: Final answer
    x = 10,139,674.84

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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.