Home / 12,755,373.96-19,127,431.86-3,655,406.28

Finding the Fourth Proportional to 12,755,373.96, 19,127,431.86 and 3,655,406.28

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Solution

The fourth proportional to 12,755,373.96, 19,127,431.86 and 3,655,406.28 is: 5,481,496.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,755,373.96 : 19,127,431.86 = 3,655,406.28 : x
  2. Step 2: Convert to fraction form
    12,755,373.96/19,127,431.86 = 3,655,406.28/x
  3. Step 3: Cross multiply
    12,755,373.96x = 19,127,431.86 × 3,655,406.28
  4. Step 4: Simplify right side
    12,755,373.96x = 69,918,534,541,316.08
  5. Step 5: Solve for x
    x = 69,918,534,541,316.08/12,755,373.96
  6. Step 6: Final answer
    x = 5,481,496.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.