Home / 13,117,756.88-18,102,529.35-7,316,914.34

Finding the Fourth Proportional to 13,117,756.88, 18,102,529.35 and 7,316,914.34

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Solution

The fourth proportional to 13,117,756.88, 18,102,529.35 and 7,316,914.34 is: 10,097,355.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,117,756.88 : 18,102,529.35 = 7,316,914.34 : x
  2. Step 2: Convert to fraction form
    13,117,756.88/18,102,529.35 = 7,316,914.34/x
  3. Step 3: Cross multiply
    13,117,756.88x = 18,102,529.35 × 7,316,914.34
  4. Step 4: Simplify right side
    13,117,756.88x = 132,454,656,591,285.89
  5. Step 5: Solve for x
    x = 132,454,656,591,285.89/13,117,756.88
  6. Step 6: Final answer
    x = 10,097,355.65

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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.