Home / 13,755,159.27-18,982,317.06-7,560,779.45

Finding the Fourth Proportional to 13,755,159.27, 18,982,317.06 and 7,560,779.45

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Solution

The fourth proportional to 13,755,159.27, 18,982,317.06 and 7,560,779.45 is: 10,433,984.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,755,159.27 : 18,982,317.06 = 7,560,779.45 : x
  2. Step 2: Convert to fraction form
    13,755,159.27/18,982,317.06 = 7,560,779.45/x
  3. Step 3: Cross multiply
    13,755,159.27x = 18,982,317.06 × 7,560,779.45
  4. Step 4: Simplify right side
    13,755,159.27x = 143,521,112,645,720.81
  5. Step 5: Solve for x
    x = 143,521,112,645,720.81/13,755,159.27
  6. Step 6: Final answer
    x = 10,433,984.07

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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.