Home / 13,141,511.10-19,712,266.65-9,315,135.90

Finding the Fourth Proportional to 13,141,511.10, 19,712,266.65 and 9,315,135.90

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Solution

The fourth proportional to 13,141,511.10, 19,712,266.65 and 9,315,135.90 is: 13,972,703.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,141,511.10 : 19,712,266.65 = 9,315,135.90 : x
  2. Step 2: Convert to fraction form
    13,141,511.10/19,712,266.65 = 9,315,135.90/x
  3. Step 3: Cross multiply
    13,141,511.10x = 19,712,266.65 × 9,315,135.90
  4. Step 4: Simplify right side
    13,141,511.10x = 183,622,442,741,787.72
  5. Step 5: Solve for x
    x = 183,622,442,741,787.72/13,141,511.10
  6. Step 6: Final answer
    x = 13,972,703.85

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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.