Home / 12,829,534.16-17,704,756.08-7,672,895.60

Finding the Fourth Proportional to 12,829,534.16, 17,704,756.08 and 7,672,895.60

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Solution

The fourth proportional to 12,829,534.16, 17,704,756.08 and 7,672,895.60 is: 10,588,595.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,829,534.16 : 17,704,756.08 = 7,672,895.60 : x
  2. Step 2: Convert to fraction form
    12,829,534.16/17,704,756.08 = 7,672,895.60/x
  3. Step 3: Cross multiply
    12,829,534.16x = 17,704,756.08 × 7,672,895.60
  4. Step 4: Simplify right side
    12,829,534.16x = 135,846,745,025,305.23
  5. Step 5: Solve for x
    x = 135,846,745,025,305.23/12,829,534.16
  6. Step 6: Final answer
    x = 10,588,595.29

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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.