Home / 10,693,818.80-16,038,759.90-6,643,057.40

Finding the Fourth Proportional to 10,693,818.80, 16,038,759.90 and 6,643,057.40

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Solution

The fourth proportional to 10,693,818.80, 16,038,759.90 and 6,643,057.40 is: 9,963,363.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,693,818.80 : 16,038,759.90 = 6,643,057.40 : x
  2. Step 2: Convert to fraction form
    10,693,818.80/16,038,759.90 = 6,643,057.40/x
  3. Step 3: Cross multiply
    10,693,818.80x = 16,038,759.90 × 6,643,057.40
  4. Step 4: Simplify right side
    10,693,818.80x = 106,546,402,640,518.27
  5. Step 5: Solve for x
    x = 106,546,402,640,518.27/10,693,818.80
  6. Step 6: Final answer
    x = 9,963,363.38

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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.