Home / 12,186,908.37-16,808,126.81-10,713,667.05

Finding the Fourth Proportional to 12,186,908.37, 16,808,126.81 and 10,713,667.05

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Solution

The fourth proportional to 12,186,908.37, 16,808,126.81 and 10,713,667.05 is: 14,776,239.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,186,908.37 : 16,808,126.81 = 10,713,667.05 : x
  2. Step 2: Convert to fraction form
    12,186,908.37/16,808,126.81 = 10,713,667.05/x
  3. Step 3: Cross multiply
    12,186,908.37x = 16,808,126.81 × 10,713,667.05
  4. Step 4: Simplify right side
    12,186,908.37x = 180,076,674,322,950.28
  5. Step 5: Solve for x
    x = 180,076,674,322,950.28/12,186,908.37
  6. Step 6: Final answer
    x = 14,776,239.29

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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.