Home / 13,535,257.81-18,657,991.89-8,298,571.06

Finding the Fourth Proportional to 13,535,257.81, 18,657,991.89 and 8,298,571.06

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Solution

The fourth proportional to 13,535,257.81, 18,657,991.89 and 8,298,571.06 is: 11,439,358.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,535,257.81 : 18,657,991.89 = 8,298,571.06 : x
  2. Step 2: Convert to fraction form
    13,535,257.81/18,657,991.89 = 8,298,571.06/x
  3. Step 3: Cross multiply
    13,535,257.81x = 18,657,991.89 × 8,298,571.06
  4. Step 4: Simplify right side
    13,535,257.81x = 154,834,671,536,068.69
  5. Step 5: Solve for x
    x = 154,834,671,536,068.69/13,535,257.81
  6. Step 6: Final answer
    x = 11,439,358.87

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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.