Home / 13,767,184.36-18,996,515.94-7,655,657.32

Finding the Fourth Proportional to 13,767,184.36, 18,996,515.94 and 7,655,657.32

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Solution

The fourth proportional to 13,767,184.36, 18,996,515.94 and 7,655,657.32 is: 10,563,584.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,767,184.36 : 18,996,515.94 = 7,655,657.32 : x
  2. Step 2: Convert to fraction form
    13,767,184.36/18,996,515.94 = 7,655,657.32/x
  3. Step 3: Cross multiply
    13,767,184.36x = 18,996,515.94 × 7,655,657.32
  4. Step 4: Simplify right side
    13,767,184.36x = 145,430,816,310,557.69
  5. Step 5: Solve for x
    x = 145,430,816,310,557.69/13,767,184.36
  6. Step 6: Final answer
    x = 10,563,584.57

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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.