Home / 11,657,961.36-16,087,955.40-6,501,328.72

Finding the Fourth Proportional to 11,657,961.36, 16,087,955.40 and 6,501,328.72

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Solution

The fourth proportional to 11,657,961.36, 16,087,955.40 and 6,501,328.72 is: 8,971,816.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,657,961.36 : 16,087,955.40 = 6,501,328.72 : x
  2. Step 2: Convert to fraction form
    11,657,961.36/16,087,955.40 = 6,501,328.72/x
  3. Step 3: Cross multiply
    11,657,961.36x = 16,087,955.40 × 6,501,328.72
  4. Step 4: Simplify right side
    11,657,961.36x = 104,593,086,488,099.09
  5. Step 5: Solve for x
    x = 104,593,086,488,099.09/11,657,961.36
  6. Step 6: Final answer
    x = 8,971,816.19

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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.