Home / 10,881,634.80-16,308,455.40-6,617,276.40

Finding the Fourth Proportional to 10,881,634.80, 16,308,455.40 and 6,617,276.40

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Solution

The fourth proportional to 10,881,634.80, 16,308,455.40 and 6,617,276.40 is: 9,917,402.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,881,634.80 : 16,308,455.40 = 6,617,276.40 : x
  2. Step 2: Convert to fraction form
    10,881,634.80/16,308,455.40 = 6,617,276.40/x
  3. Step 3: Cross multiply
    10,881,634.80x = 16,308,455.40 × 6,617,276.40
  4. Step 4: Simplify right side
    10,881,634.80x = 107,917,557,038,872.56
  5. Step 5: Solve for x
    x = 107,917,557,038,872.56/10,881,634.80
  6. Step 6: Final answer
    x = 9,917,402.95

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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.