Home / 10,911,290.45-16,366,935.68-6,659,762.45

Finding the Fourth Proportional to 10,911,290.45, 16,366,935.68 and 6,659,762.45

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Solution

The fourth proportional to 10,911,290.45, 16,366,935.68 and 6,659,762.45 is: 9,989,643.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,911,290.45 : 16,366,935.68 = 6,659,762.45 : x
  2. Step 2: Convert to fraction form
    10,911,290.45/16,366,935.68 = 6,659,762.45/x
  3. Step 3: Cross multiply
    10,911,290.45x = 16,366,935.68 × 6,659,762.45
  4. Step 4: Simplify right side
    10,911,290.45x = 108,999,903,663,229.22
  5. Step 5: Solve for x
    x = 108,999,903,663,229.22/10,911,290.45
  6. Step 6: Final answer
    x = 9,989,643.68

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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.