Home / 22,508,189.81-31,060,896.62-12,718,423.29

Finding the Fourth Proportional to 22,508,189.81, 31,060,896.62 and 12,718,423.29

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Solution

The fourth proportional to 22,508,189.81, 31,060,896.62 and 12,718,423.29 is: 17,551,195.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,508,189.81 : 31,060,896.62 = 12,718,423.29 : x
  2. Step 2: Convert to fraction form
    22,508,189.81/31,060,896.62 = 12,718,423.29/x
  3. Step 3: Cross multiply
    22,508,189.81x = 31,060,896.62 × 12,718,423.29
  4. Step 4: Simplify right side
    22,508,189.81x = 395,045,630,980,090.25
  5. Step 5: Solve for x
    x = 395,045,630,980,090.25/22,508,189.81
  6. Step 6: Final answer
    x = 17,551,195.11

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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.