Home / 10,012,809.60-15,019,214.40-9,620,899.20

Finding the Fourth Proportional to 10,012,809.60, 15,019,214.40 and 9,620,899.20

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Solution

The fourth proportional to 10,012,809.60, 15,019,214.40 and 9,620,899.20 is: 14,431,348.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,012,809.60 : 15,019,214.40 = 9,620,899.20 : x
  2. Step 2: Convert to fraction form
    10,012,809.60/15,019,214.40 = 9,620,899.20/x
  3. Step 3: Cross multiply
    10,012,809.60x = 15,019,214.40 × 9,620,899.20
  4. Step 4: Simplify right side
    10,012,809.60x = 144,498,347,805,588.47
  5. Step 5: Solve for x
    x = 144,498,347,805,588.47/10,012,809.60
  6. Step 6: Final answer
    x = 14,431,348.80

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.