Home / 30,919,564.40-46,379,346.60-19,572,825.20

Finding the Fourth Proportional to 30,919,564.40, 46,379,346.60 and 19,572,825.20

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Solution

The fourth proportional to 30,919,564.40, 46,379,346.60 and 19,572,825.20 is: 29,359,237.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,919,564.40 : 46,379,346.60 = 19,572,825.20 : x
  2. Step 2: Convert to fraction form
    30,919,564.40/46,379,346.60 = 19,572,825.20/x
  3. Step 3: Cross multiply
    30,919,564.40x = 46,379,346.60 × 19,572,825.20
  4. Step 4: Simplify right side
    30,919,564.40x = 907,774,843,892,014.38
  5. Step 5: Solve for x
    x = 907,774,843,892,014.38/30,919,564.40
  6. Step 6: Final answer
    x = 29,359,237.80

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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.