Home / 13,574,056.70-18,732,320.04-7,379,115.32

Finding the Fourth Proportional to 13,574,056.70, 18,732,320.04 and 7,379,115.32

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Solution

The fourth proportional to 13,574,056.70, 18,732,320.04 and 7,379,115.32 is: 10,183,245.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,574,056.70 : 18,732,320.04 = 7,379,115.32 : x
  2. Step 2: Convert to fraction form
    13,574,056.70/18,732,320.04 = 7,379,115.32/x
  3. Step 3: Cross multiply
    13,574,056.70x = 18,732,320.04 × 7,379,115.32
  4. Step 4: Simplify right side
    13,574,056.70x = 138,227,949,786,307.02
  5. Step 5: Solve for x
    x = 138,227,949,786,307.02/13,574,056.70
  6. Step 6: Final answer
    x = 10,183,245.35

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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.