Home / 13,493,164.32-18,621,006.72-7,381,592.64

Finding the Fourth Proportional to 13,493,164.32, 18,621,006.72 and 7,381,592.64

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Solution

The fourth proportional to 13,493,164.32, 18,621,006.72 and 7,381,592.64 is: 10,186,838.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,493,164.32 : 18,621,006.72 = 7,381,592.64 : x
  2. Step 2: Convert to fraction form
    13,493,164.32/18,621,006.72 = 7,381,592.64/x
  3. Step 3: Cross multiply
    13,493,164.32x = 18,621,006.72 × 7,381,592.64
  4. Step 4: Simplify right side
    13,493,164.32x = 137,452,686,153,742.53
  5. Step 5: Solve for x
    x = 137,452,686,153,742.53/13,493,164.32
  6. Step 6: Final answer
    x = 10,186,838.53

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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.