Home / 13,759,809.96-18,988,549.89-7,564,962.08

Finding the Fourth Proportional to 13,759,809.96, 18,988,549.89 and 7,564,962.08

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Solution

The fourth proportional to 13,759,809.96, 18,988,549.89 and 7,564,962.08 is: 10,439,654.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,759,809.96 : 18,988,549.89 = 7,564,962.08 : x
  2. Step 2: Convert to fraction form
    13,759,809.96/18,988,549.89 = 7,564,962.08/x
  3. Step 3: Cross multiply
    13,759,809.96x = 18,988,549.89 × 7,564,962.08
  4. Step 4: Simplify right side
    13,759,809.96x = 143,647,659,777,095.44
  5. Step 5: Solve for x
    x = 143,647,659,777,095.44/13,759,809.96
  6. Step 6: Final answer
    x = 10,439,654.34

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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.