Home / 6,912,059.80-10,368,089.70-3,125,666.20

Finding the Fourth Proportional to 6,912,059.80, 10,368,089.70 and 3,125,666.20

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Solution

The fourth proportional to 6,912,059.80, 10,368,089.70 and 3,125,666.20 is: 4,688,499.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,912,059.80 : 10,368,089.70 = 3,125,666.20 : x
  2. Step 2: Convert to fraction form
    6,912,059.80/10,368,089.70 = 3,125,666.20/x
  3. Step 3: Cross multiply
    6,912,059.80x = 10,368,089.70 × 3,125,666.20
  4. Step 4: Simplify right side
    6,912,059.80x = 32,407,187,533,858.14
  5. Step 5: Solve for x
    x = 32,407,187,533,858.14/6,912,059.80
  6. Step 6: Final answer
    x = 4,688,499.30

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Similar ratio
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1.5x scale

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.