Home / 13,694,315.16-18,898,507.62-7,499,703.36

Finding the Fourth Proportional to 13,694,315.16, 18,898,507.62 and 7,499,703.36

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Solution

The fourth proportional to 13,694,315.16, 18,898,507.62 and 7,499,703.36 is: 10,349,783.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,694,315.16 : 18,898,507.62 = 7,499,703.36 : x
  2. Step 2: Convert to fraction form
    13,694,315.16/18,898,507.62 = 7,499,703.36/x
  3. Step 3: Cross multiply
    13,694,315.16x = 18,898,507.62 × 7,499,703.36
  4. Step 4: Simplify right side
    13,694,315.16x = 141,733,201,096,699.62
  5. Step 5: Solve for x
    x = 141,733,201,096,699.62/13,694,315.16
  6. Step 6: Final answer
    x = 10,349,783.79

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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.