Home / 10,779,960.20-16,169,940.30-4,386,921.80

Finding the Fourth Proportional to 10,779,960.20, 16,169,940.30 and 4,386,921.80

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Solution

The fourth proportional to 10,779,960.20, 16,169,940.30 and 4,386,921.80 is: 6,580,382.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,779,960.20 : 16,169,940.30 = 4,386,921.80 : x
  2. Step 2: Convert to fraction form
    10,779,960.20/16,169,940.30 = 4,386,921.80/x
  3. Step 3: Cross multiply
    10,779,960.20x = 16,169,940.30 × 4,386,921.80
  4. Step 4: Simplify right side
    10,779,960.20x = 70,936,263,606,768.55
  5. Step 5: Solve for x
    x = 70,936,263,606,768.55/10,779,960.20
  6. Step 6: Final answer
    x = 6,580,382.70

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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.