Home / 10,439,412.96-15,670,573.20-8,294,226.24

Finding the Fourth Proportional to 10,439,412.96, 15,670,573.20 and 8,294,226.24

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Solution

The fourth proportional to 10,439,412.96, 15,670,573.20 and 8,294,226.24 is: 12,450,439.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,439,412.96 : 15,670,573.20 = 8,294,226.24 : x
  2. Step 2: Convert to fraction form
    10,439,412.96/15,670,573.20 = 8,294,226.24/x
  3. Step 3: Cross multiply
    10,439,412.96x = 15,670,573.20 × 8,294,226.24
  4. Step 4: Simplify right side
    10,439,412.96x = 129,975,279,431,280.77
  5. Step 5: Solve for x
    x = 129,975,279,431,280.77/10,439,412.96
  6. Step 6: Final answer
    x = 12,450,439.50

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Double scale
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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.