Home / 13,072,046.16-18,039,165-7,270,703.04

Finding the Fourth Proportional to 13,072,046.16, 18,039,165 and 7,270,703.04

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Solution

The fourth proportional to 13,072,046.16, 18,039,165 and 7,270,703.04 is: 10,033,426.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,072,046.16 : 18,039,165 = 7,270,703.04 : x
  2. Step 2: Convert to fraction form
    13,072,046.16/18,039,165 = 7,270,703.04/x
  3. Step 3: Cross multiply
    13,072,046.16x = 18,039,165 × 7,270,703.04
  4. Step 4: Simplify right side
    13,072,046.16x = 131,157,411,804,561.59
  5. Step 5: Solve for x
    x = 131,157,411,804,561.59/13,072,046.16
  6. Step 6: Final answer
    x = 10,033,426.31

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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.