Home / 10,492,867.88-15,720,120.01-7,607,087.66

Finding the Fourth Proportional to 10,492,867.88, 15,720,120.01 and 7,607,087.66

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Solution

The fourth proportional to 10,492,867.88, 15,720,120.01 and 7,607,087.66 is: 11,396,725.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,492,867.88 : 15,720,120.01 = 7,607,087.66 : x
  2. Step 2: Convert to fraction form
    10,492,867.88/15,720,120.01 = 7,607,087.66/x
  3. Step 3: Cross multiply
    10,492,867.88x = 15,720,120.01 × 7,607,087.66
  4. Step 4: Simplify right side
    10,492,867.88x = 119,584,330,947,809.36
  5. Step 5: Solve for x
    x = 119,584,330,947,809.36/10,492,867.88
  6. Step 6: Final answer
    x = 11,396,725.12

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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.