Home / 13,841,631.69-19,101,998.09-7,961,256.47

Finding the Fourth Proportional to 13,841,631.69, 19,101,998.09 and 7,961,256.47

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Solution

The fourth proportional to 13,841,631.69, 19,101,998.09 and 7,961,256.47 is: 10,986,848.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,841,631.69 : 19,101,998.09 = 7,961,256.47 : x
  2. Step 2: Convert to fraction form
    13,841,631.69/19,101,998.09 = 7,961,256.47/x
  3. Step 3: Cross multiply
    13,841,631.69x = 19,101,998.09 × 7,961,256.47
  4. Step 4: Simplify right side
    13,841,631.69x = 152,075,905,748,623.88
  5. Step 5: Solve for x
    x = 152,075,905,748,623.88/13,841,631.69
  6. Step 6: Final answer
    x = 10,986,848.17

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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.