Home / 13,590,655.07-18,755,498.43-7,396,101.50

Finding the Fourth Proportional to 13,590,655.07, 18,755,498.43 and 7,396,101.50

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Solution

The fourth proportional to 13,590,655.07, 18,755,498.43 and 7,396,101.50 is: 10,206,834.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,590,655.07 : 18,755,498.43 = 7,396,101.50 : x
  2. Step 2: Convert to fraction form
    13,590,655.07/18,755,498.43 = 7,396,101.50/x
  3. Step 3: Cross multiply
    13,590,655.07x = 18,755,498.43 × 7,396,101.50
  4. Step 4: Simplify right side
    13,590,655.07x = 138,717,569,977,593.16
  5. Step 5: Solve for x
    x = 138,717,569,977,593.16/13,590,655.07
  6. Step 6: Final answer
    x = 10,206,834.72

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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.