Home / 13,805,643.03-19,051,845.12-7,610,553.78

Finding the Fourth Proportional to 13,805,643.03, 19,051,845.12 and 7,610,553.78

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Solution

The fourth proportional to 13,805,643.03, 19,051,845.12 and 7,610,553.78 is: 10,502,596.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,805,643.03 : 19,051,845.12 = 7,610,553.78 : x
  2. Step 2: Convert to fraction form
    13,805,643.03/19,051,845.12 = 7,610,553.78/x
  3. Step 3: Cross multiply
    13,805,643.03x = 19,051,845.12 × 7,610,553.78
  4. Step 4: Simplify right side
    13,805,643.03x = 144,995,091,893,990.56
  5. Step 5: Solve for x
    x = 144,995,091,893,990.56/13,805,643.03
  6. Step 6: Final answer
    x = 10,502,596.05

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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.