Home / 30,915,082.40-46,372,623.60-18,150,000.80

Finding the Fourth Proportional to 30,915,082.40, 46,372,623.60 and 18,150,000.80

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Solution

The fourth proportional to 30,915,082.40, 46,372,623.60 and 18,150,000.80 is: 27,225,001.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,915,082.40 : 46,372,623.60 = 18,150,000.80 : x
  2. Step 2: Convert to fraction form
    30,915,082.40/46,372,623.60 = 18,150,000.80/x
  3. Step 3: Cross multiply
    30,915,082.40x = 46,372,623.60 × 18,150,000.80
  4. Step 4: Simplify right side
    30,915,082.40x = 841,663,155,438,099
  5. Step 5: Solve for x
    x = 841,663,155,438,099/30,915,082.40
  6. Step 6: Final answer
    x = 27,225,001.20

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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.