Home / 19,170,914.65-28,755,391.62-7,039,445.22

Finding the Fourth Proportional to 19,170,914.65, 28,755,391.62 and 7,039,445.22

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Solution

The fourth proportional to 19,170,914.65, 28,755,391.62 and 7,039,445.22 is: 10,558,807.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,170,914.65 : 28,755,391.62 = 7,039,445.22 : x
  2. Step 2: Convert to fraction form
    19,170,914.65/28,755,391.62 = 7,039,445.22/x
  3. Step 3: Cross multiply
    19,170,914.65x = 28,755,391.62 × 7,039,445.22
  4. Step 4: Simplify right side
    19,170,914.65x = 202,422,004,088,637.06
  5. Step 5: Solve for x
    x = 202,422,004,088,637.06/19,170,914.65
  6. Step 6: Final answer
    x = 10,558,807.85

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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.