Home / 10,674,515.21-14,719,820.49-9,130,886.73

Finding the Fourth Proportional to 10,674,515.21, 14,719,820.49 and 9,130,886.73

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Solution

The fourth proportional to 10,674,515.21, 14,719,820.49 and 9,130,886.73 is: 12,591,205.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,674,515.21 : 14,719,820.49 = 9,130,886.73 : x
  2. Step 2: Convert to fraction form
    10,674,515.21/14,719,820.49 = 9,130,886.73/x
  3. Step 3: Cross multiply
    10,674,515.21x = 14,719,820.49 × 9,130,886.73
  4. Step 4: Simplify right side
    10,674,515.21x = 134,405,013,580,123.11
  5. Step 5: Solve for x
    x = 134,405,013,580,123.11/10,674,515.21
  6. Step 6: Final answer
    x = 12,591,205.41

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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.