Home / 13,759,810.18-18,988,550.19-7,564,962.29

Finding the Fourth Proportional to 13,759,810.18, 18,988,550.19 and 7,564,962.29

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Solution

The fourth proportional to 13,759,810.18, 18,988,550.19 and 7,564,962.29 is: 10,439,654.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,759,810.18 : 18,988,550.19 = 7,564,962.29 : x
  2. Step 2: Convert to fraction form
    13,759,810.18/18,988,550.19 = 7,564,962.29/x
  3. Step 3: Cross multiply
    13,759,810.18x = 18,988,550.19 × 7,564,962.29
  4. Step 4: Simplify right side
    13,759,810.18x = 143,647,666,034,179.59
  5. Step 5: Solve for x
    x = 143,647,666,034,179.59/13,759,810.18
  6. Step 6: Final answer
    x = 10,439,654.63

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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.