Home / 48,048,938.87-72,082,681.20-15,692,142.65

Finding the Fourth Proportional to 48,048,938.87, 72,082,681.20 and 15,692,142.65

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Solution

The fourth proportional to 48,048,938.87, 72,082,681.20 and 15,692,142.65 is: 23,541,242.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,048,938.87 : 72,082,681.20 = 15,692,142.65 : x
  2. Step 2: Convert to fraction form
    48,048,938.87/72,082,681.20 = 15,692,142.65/x
  3. Step 3: Cross multiply
    48,048,938.87x = 72,082,681.20 × 15,692,142.65
  4. Step 4: Simplify right side
    48,048,938.87x = 1,131,131,715,624,459.75
  5. Step 5: Solve for x
    x = 1,131,131,715,624,459.75/48,048,938.87
  6. Step 6: Final answer
    x = 23,541,242.37

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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.