Home / 12,117,140.10-18,144,217.35-9,576,720.90

Finding the Fourth Proportional to 12,117,140.10, 18,144,217.35 and 9,576,720.90

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Solution

The fourth proportional to 12,117,140.10, 18,144,217.35 and 9,576,720.90 is: 14,340,191.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,117,140.10 : 18,144,217.35 = 9,576,720.90 : x
  2. Step 2: Convert to fraction form
    12,117,140.10/18,144,217.35 = 9,576,720.90/x
  3. Step 3: Cross multiply
    12,117,140.10x = 18,144,217.35 × 9,576,720.90
  4. Step 4: Simplify right side
    12,117,140.10x = 173,762,105,509,887.62
  5. Step 5: Solve for x
    x = 173,762,105,509,887.62/12,117,140.10
  6. Step 6: Final answer
    x = 14,340,191.17

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