Home / 12,078,918.88-16,668,408.24-6,572,316.40

Finding the Fourth Proportional to 12,078,918.88, 16,668,408.24 and 6,572,316.40

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Solution

The fourth proportional to 12,078,918.88, 16,668,408.24 and 6,572,316.40 is: 9,069,524.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,078,918.88 : 16,668,408.24 = 6,572,316.40 : x
  2. Step 2: Convert to fraction form
    12,078,918.88/16,668,408.24 = 6,572,316.40/x
  3. Step 3: Cross multiply
    12,078,918.88x = 16,668,408.24 × 6,572,316.40
  4. Step 4: Simplify right side
    12,078,918.88x = 109,550,052,837,647.14
  5. Step 5: Solve for x
    x = 109,550,052,837,647.14/12,078,918.88
  6. Step 6: Final answer
    x = 9,069,524.68

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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.