Home / 19,746,610.86-29,621,215.92-5,173,887.18

Finding the Fourth Proportional to 19,746,610.86, 29,621,215.92 and 5,173,887.18

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Solution

The fourth proportional to 19,746,610.86, 29,621,215.92 and 5,173,887.18 is: 7,761,171.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,746,610.86 : 29,621,215.92 = 5,173,887.18 : x
  2. Step 2: Convert to fraction form
    19,746,610.86/29,621,215.92 = 5,173,887.18/x
  3. Step 3: Cross multiply
    19,746,610.86x = 29,621,215.92 × 5,173,887.18
  4. Step 4: Simplify right side
    19,746,610.86x = 153,256,829,304,499.91
  5. Step 5: Solve for x
    x = 153,256,829,304,499.91/19,746,610.86
  6. Step 6: Final answer
    x = 7,761,171.29

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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.