Home / 10,881,188.80-16,307,786.40-6,616,830.40

Finding the Fourth Proportional to 10,881,188.80, 16,307,786.40 and 6,616,830.40

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Solution

The fourth proportional to 10,881,188.80, 16,307,786.40 and 6,616,830.40 is: 9,916,734.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,881,188.80 : 16,307,786.40 = 6,616,830.40 : x
  2. Step 2: Convert to fraction form
    10,881,188.80/16,307,786.40 = 6,616,830.40/x
  3. Step 3: Cross multiply
    10,881,188.80x = 16,307,786.40 × 6,616,830.40
  4. Step 4: Simplify right side
    10,881,188.80x = 107,905,856,808,226.56
  5. Step 5: Solve for x
    x = 107,905,856,808,226.56/10,881,188.80
  6. Step 6: Final answer
    x = 9,916,734.17

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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.