Home / 9,989,721.84-13,785,850.56-5,406,042

Finding the Fourth Proportional to 9,989,721.84, 13,785,850.56 and 5,406,042

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Solution

The fourth proportional to 9,989,721.84, 13,785,850.56 and 5,406,042 is: 7,460,356.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,989,721.84 : 13,785,850.56 = 5,406,042 : x
  2. Step 2: Convert to fraction form
    9,989,721.84/13,785,850.56 = 5,406,042/x
  3. Step 3: Cross multiply
    9,989,721.84x = 13,785,850.56 × 5,406,042
  4. Step 4: Simplify right side
    9,989,721.84x = 74,526,887,133,083.52
  5. Step 5: Solve for x
    x = 74,526,887,133,083.52/9,989,721.84
  6. Step 6: Final answer
    x = 7,460,356.59

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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.