Home / 10,136,575.30-15,205,018.47-3,405,047.62

Finding the Fourth Proportional to 10,136,575.30, 15,205,018.47 and 3,405,047.62

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Solution

The fourth proportional to 10,136,575.30, 15,205,018.47 and 3,405,047.62 is: 5,107,623.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,136,575.30 : 15,205,018.47 = 3,405,047.62 : x
  2. Step 2: Convert to fraction form
    10,136,575.30/15,205,018.47 = 3,405,047.62/x
  3. Step 3: Cross multiply
    10,136,575.30x = 15,205,018.47 × 3,405,047.62
  4. Step 4: Simplify right side
    10,136,575.30x = 51,773,811,953,329.55
  5. Step 5: Solve for x
    x = 51,773,811,953,329.55/10,136,575.30
  6. Step 6: Final answer
    x = 5,107,623.67

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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.