Home / 29,001,852.36-40,021,758.18-15,949,111.14

Finding the Fourth Proportional to 29,001,852.36, 40,021,758.18 and 15,949,111.14

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Solution

The fourth proportional to 29,001,852.36, 40,021,758.18 and 15,949,111.14 is: 22,009,334.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,001,852.36 : 40,021,758.18 = 15,949,111.14 : x
  2. Step 2: Convert to fraction form
    29,001,852.36/40,021,758.18 = 15,949,111.14/x
  3. Step 3: Cross multiply
    29,001,852.36x = 40,021,758.18 × 15,949,111.14
  4. Step 4: Simplify right side
    29,001,852.36x = 638,311,469,231,024.12
  5. Step 5: Solve for x
    x = 638,311,469,231,024.12/29,001,852.36
  6. Step 6: Final answer
    x = 22,009,334.48

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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.