Home / 13,044,570.36-18,003,167.84-7,887,968.81

Finding the Fourth Proportional to 13,044,570.36, 18,003,167.84 and 7,887,968.81

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Solution

The fourth proportional to 13,044,570.36, 18,003,167.84 and 7,887,968.81 is: 10,886,401.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,044,570.36 : 18,003,167.84 = 7,887,968.81 : x
  2. Step 2: Convert to fraction form
    13,044,570.36/18,003,167.84 = 7,887,968.81/x
  3. Step 3: Cross multiply
    13,044,570.36x = 18,003,167.84 × 7,887,968.81
  4. Step 4: Simplify right side
    13,044,570.36x = 142,008,426,403,115.06
  5. Step 5: Solve for x
    x = 142,008,426,403,115.06/13,044,570.36
  6. Step 6: Final answer
    x = 10,886,401.20

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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.