Home / 12,186,910.71-16,808,129.91-10,713,669.30

Finding the Fourth Proportional to 12,186,910.71, 16,808,129.91 and 10,713,669.30

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Solution

The fourth proportional to 12,186,910.71, 16,808,129.91 and 10,713,669.30 is: 14,776,242.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,186,910.71 : 16,808,129.91 = 10,713,669.30 : x
  2. Step 2: Convert to fraction form
    12,186,910.71/16,808,129.91 = 10,713,669.30/x
  3. Step 3: Cross multiply
    12,186,910.71x = 16,808,129.91 × 10,713,669.30
  4. Step 4: Simplify right side
    12,186,910.71x = 180,076,745,407,178.78
  5. Step 5: Solve for x
    x = 180,076,745,407,178.78/12,186,910.71
  6. Step 6: Final answer
    x = 14,776,242.29

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.