Home / 12,231,023.88-16,878,823.66-6,724,492.40

Finding the Fourth Proportional to 12,231,023.88, 16,878,823.66 and 6,724,492.40

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Solution

The fourth proportional to 12,231,023.88, 16,878,823.66 and 6,724,492.40 is: 9,279,805.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,231,023.88 : 16,878,823.66 = 6,724,492.40 : x
  2. Step 2: Convert to fraction form
    12,231,023.88/16,878,823.66 = 6,724,492.40/x
  3. Step 3: Cross multiply
    12,231,023.88x = 16,878,823.66 × 6,724,492.40
  4. Step 4: Simplify right side
    12,231,023.88x = 113,501,521,422,610.19
  5. Step 5: Solve for x
    x = 113,501,521,422,610.19/12,231,023.88
  6. Step 6: Final answer
    x = 9,279,805.40

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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.