Home / 10,693,816.30-16,038,756.15-6,643,054.90

Finding the Fourth Proportional to 10,693,816.30, 16,038,756.15 and 6,643,054.90

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Solution

The fourth proportional to 10,693,816.30, 16,038,756.15 and 6,643,054.90 is: 9,963,359.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,693,816.30 : 16,038,756.15 = 6,643,054.90 : x
  2. Step 2: Convert to fraction form
    10,693,816.30/16,038,756.15 = 6,643,054.90/x
  3. Step 3: Cross multiply
    10,693,816.30x = 16,038,756.15 × 6,643,054.90
  4. Step 4: Simplify right side
    10,693,816.30x = 106,546,337,632,162.64
  5. Step 5: Solve for x
    x = 106,546,337,632,162.64/10,693,816.30
  6. Step 6: Final answer
    x = 9,963,359.63

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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.