Home / 10,606,348.71-15,920,655.32-9,399,645.50

Finding the Fourth Proportional to 10,606,348.71, 15,920,655.32 and 9,399,645.50

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Solution

The fourth proportional to 10,606,348.71, 15,920,655.32 and 9,399,645.50 is: 14,109,333.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,606,348.71 : 15,920,655.32 = 9,399,645.50 : x
  2. Step 2: Convert to fraction form
    10,606,348.71/15,920,655.32 = 9,399,645.50/x
  3. Step 3: Cross multiply
    10,606,348.71x = 15,920,655.32 × 9,399,645.50
  4. Step 4: Simplify right side
    10,606,348.71x = 149,648,516,079,584.88
  5. Step 5: Solve for x
    x = 149,648,516,079,584.88/10,606,348.71
  6. Step 6: Final answer
    x = 14,109,333.96

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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.