Home / 29,071,378.65-40,120,289.64-16,018,634.16

Finding the Fourth Proportional to 29,071,378.65, 40,120,289.64 and 16,018,634.16

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Solution

The fourth proportional to 29,071,378.65, 40,120,289.64 and 16,018,634.16 is: 22,106,699.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,071,378.65 : 40,120,289.64 = 16,018,634.16 : x
  2. Step 2: Convert to fraction form
    29,071,378.65/40,120,289.64 = 16,018,634.16/x
  3. Step 3: Cross multiply
    29,071,378.65x = 40,120,289.64 × 16,018,634.16
  4. Step 4: Simplify right side
    29,071,378.65x = 642,672,242,136,398.12
  5. Step 5: Solve for x
    x = 642,672,242,136,398.12/29,071,378.65
  6. Step 6: Final answer
    x = 22,106,699.85

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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.