Home / 11,657,895.66-16,087,167.78-6,430,964.28

Finding the Fourth Proportional to 11,657,895.66, 16,087,167.78 and 6,430,964.28

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Solution

The fourth proportional to 11,657,895.66, 16,087,167.78 and 6,430,964.28 is: 8,874,328.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,657,895.66 : 16,087,167.78 = 6,430,964.28 : x
  2. Step 2: Convert to fraction form
    11,657,895.66/16,087,167.78 = 6,430,964.28/x
  3. Step 3: Cross multiply
    11,657,895.66x = 16,087,167.78 × 6,430,964.28
  4. Step 4: Simplify right side
    11,657,895.66x = 103,456,001,359,546.89
  5. Step 5: Solve for x
    x = 103,456,001,359,546.89/11,657,895.66
  6. Step 6: Final answer
    x = 8,874,328.98

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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.