Home / 12,290,867.71-16,961,398.79-6,784,244.10

Finding the Fourth Proportional to 12,290,867.71, 16,961,398.79 and 6,784,244.10

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Solution

The fourth proportional to 12,290,867.71, 16,961,398.79 and 6,784,244.10 is: 9,362,257.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,290,867.71 : 16,961,398.79 = 6,784,244.10 : x
  2. Step 2: Convert to fraction form
    12,290,867.71/16,961,398.79 = 6,784,244.10/x
  3. Step 3: Cross multiply
    12,290,867.71x = 16,961,398.79 × 6,784,244.10
  4. Step 4: Simplify right side
    12,290,867.71x = 115,070,269,634,883.41
  5. Step 5: Solve for x
    x = 115,070,269,634,883.41/12,290,867.71
  6. Step 6: Final answer
    x = 9,362,257.60

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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.