Home / 13,280,043.70-19,920,065.55-9,170,233.30

Finding the Fourth Proportional to 13,280,043.70, 19,920,065.55 and 9,170,233.30

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Solution

The fourth proportional to 13,280,043.70, 19,920,065.55 and 9,170,233.30 is: 13,755,349.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,280,043.70 : 19,920,065.55 = 9,170,233.30 : x
  2. Step 2: Convert to fraction form
    13,280,043.70/19,920,065.55 = 9,170,233.30/x
  3. Step 3: Cross multiply
    13,280,043.70x = 19,920,065.55 × 9,170,233.30
  4. Step 4: Simplify right side
    13,280,043.70x = 182,671,648,444,792.84
  5. Step 5: Solve for x
    x = 182,671,648,444,792.84/13,280,043.70
  6. Step 6: Final answer
    x = 13,755,349.95

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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.