Home / 41,037,440-56,654,269.44-30,720,450.56

Finding the Fourth Proportional to 41,037,440, 56,654,269.44 and 30,720,450.56

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Solution

The fourth proportional to 41,037,440, 56,654,269.44 and 30,720,450.56 is: 42,411,141.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,037,440 : 56,654,269.44 = 30,720,450.56 : x
  2. Step 2: Convert to fraction form
    41,037,440/56,654,269.44 = 30,720,450.56/x
  3. Step 3: Cross multiply
    41,037,440x = 56,654,269.44 × 30,720,450.56
  4. Step 4: Simplify right side
    41,037,440x = 1,740,444,683,344,438.75
  5. Step 5: Solve for x
    x = 1,740,444,683,344,438.75/41,037,440
  6. Step 6: Final answer
    x = 42,411,141.71

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Double scale
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1.5x scale

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.