Home / 19,685,382.30-29,528,073.45-7,718,118.30

Finding the Fourth Proportional to 19,685,382.30, 29,528,073.45 and 7,718,118.30

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Solution

The fourth proportional to 19,685,382.30, 29,528,073.45 and 7,718,118.30 is: 11,577,177.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,685,382.30 : 29,528,073.45 = 7,718,118.30 : x
  2. Step 2: Convert to fraction form
    19,685,382.30/29,528,073.45 = 7,718,118.30/x
  3. Step 3: Cross multiply
    19,685,382.30x = 29,528,073.45 × 7,718,118.30
  4. Step 4: Simplify right side
    19,685,382.30x = 227,901,164,058,189.12
  5. Step 5: Solve for x
    x = 227,901,164,058,189.12/19,685,382.30
  6. Step 6: Final answer
    x = 11,577,177.45

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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.