Home / 13,185,320.90-18,181,876.69-9,754,705.22

Finding the Fourth Proportional to 13,185,320.90, 18,181,876.69 and 9,754,705.22

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Solution

The fourth proportional to 13,185,320.90, 18,181,876.69 and 9,754,705.22 is: 13,451,234.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,185,320.90 : 18,181,876.69 = 9,754,705.22 : x
  2. Step 2: Convert to fraction form
    13,185,320.90/18,181,876.69 = 9,754,705.22/x
  3. Step 3: Cross multiply
    13,185,320.90x = 18,181,876.69 × 9,754,705.22
  4. Step 4: Simplify right side
    13,185,320.90x = 177,358,847,457,339.34
  5. Step 5: Solve for x
    x = 177,358,847,457,339.34/13,185,320.90
  6. Step 6: Final answer
    x = 13,451,234.81

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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.