Home / 13,759,813.46-18,988,554.72-7,564,965.57

Finding the Fourth Proportional to 13,759,813.46, 18,988,554.72 and 7,564,965.57

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Solution

The fourth proportional to 13,759,813.46, 18,988,554.72 and 7,564,965.57 is: 10,439,659.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,759,813.46 : 18,988,554.72 = 7,564,965.57 : x
  2. Step 2: Convert to fraction form
    13,759,813.46/18,988,554.72 = 7,564,965.57/x
  3. Step 3: Cross multiply
    13,759,813.46x = 18,988,554.72 × 7,564,965.57
  4. Step 4: Simplify right side
    13,759,813.46x = 143,647,762,680,861
  5. Step 5: Solve for x
    x = 143,647,762,680,861/13,759,813.46
  6. Step 6: Final answer
    x = 10,439,659.16

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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.