Home / 28,596,506.76-39,463,459.74-15,543,757.62

Finding the Fourth Proportional to 28,596,506.76, 39,463,459.74 and 15,543,757.62

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Solution

The fourth proportional to 28,596,506.76, 39,463,459.74 and 15,543,757.62 is: 21,450,537.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,596,506.76 : 39,463,459.74 = 15,543,757.62 : x
  2. Step 2: Convert to fraction form
    28,596,506.76/39,463,459.74 = 15,543,757.62/x
  3. Step 3: Cross multiply
    28,596,506.76x = 39,463,459.74 × 15,543,757.62
  4. Step 4: Simplify right side
    28,596,506.76x = 613,410,453,045,188.25
  5. Step 5: Solve for x
    x = 613,410,453,045,188.25/28,596,506.76
  6. Step 6: Final answer
    x = 21,450,537.93

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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.