Home / 21,022,563.60-31,533,845.40-7,391,101.95

Finding the Fourth Proportional to 21,022,563.60, 31,533,845.40 and 7,391,101.95

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Solution

The fourth proportional to 21,022,563.60, 31,533,845.40 and 7,391,101.95 is: 11,086,652.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,022,563.60 : 31,533,845.40 = 7,391,101.95 : x
  2. Step 2: Convert to fraction form
    21,022,563.60/31,533,845.40 = 7,391,101.95/x
  3. Step 3: Cross multiply
    21,022,563.60x = 31,533,845.40 × 7,391,101.95
  4. Step 4: Simplify right side
    21,022,563.60x = 233,069,866,226,938.53
  5. Step 5: Solve for x
    x = 233,069,866,226,938.53/21,022,563.60
  6. Step 6: Final answer
    x = 11,086,652.93

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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.