Home / 10,385,568.21-15,564,427.33-8,082,841.93

Finding the Fourth Proportional to 10,385,568.21, 15,564,427.33 and 8,082,841.93

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Solution

The fourth proportional to 10,385,568.21, 15,564,427.33 and 8,082,841.93 is: 12,113,425.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,385,568.21 : 15,564,427.33 = 8,082,841.93 : x
  2. Step 2: Convert to fraction form
    10,385,568.21/15,564,427.33 = 8,082,841.93/x
  3. Step 3: Cross multiply
    10,385,568.21x = 15,564,427.33 × 8,082,841.93
  4. Step 4: Simplify right side
    10,385,568.21x = 125,804,805,780,243.78
  5. Step 5: Solve for x
    x = 125,804,805,780,243.78/10,385,568.21
  6. Step 6: Final answer
    x = 12,113,425.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.