Home / 10,697,947.20-14,759,576.64-6,111,020.88

Finding the Fourth Proportional to 10,697,947.20, 14,759,576.64 and 6,111,020.88

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Solution

The fourth proportional to 10,697,947.20, 14,759,576.64 and 6,111,020.88 is: 8,431,157.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,697,947.20 : 14,759,576.64 = 6,111,020.88 : x
  2. Step 2: Convert to fraction form
    10,697,947.20/14,759,576.64 = 6,111,020.88/x
  3. Step 3: Cross multiply
    10,697,947.20x = 14,759,576.64 × 6,111,020.88
  4. Step 4: Simplify right side
    10,697,947.20x = 90,196,081,027,000.25
  5. Step 5: Solve for x
    x = 90,196,081,027,000.25/10,697,947.20
  6. Step 6: Final answer
    x = 8,431,157.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.