Home / 28,620,266.40-39,492,375.12-19,348,006.05

Finding the Fourth Proportional to 28,620,266.40, 39,492,375.12 and 19,348,006.05

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Solution

The fourth proportional to 28,620,266.40, 39,492,375.12 and 19,348,006.05 is: 26,697,819.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,620,266.40 : 39,492,375.12 = 19,348,006.05 : x
  2. Step 2: Convert to fraction form
    28,620,266.40/39,492,375.12 = 19,348,006.05/x
  3. Step 3: Cross multiply
    28,620,266.40x = 39,492,375.12 × 19,348,006.05
  4. Step 4: Simplify right side
    28,620,266.40x = 764,098,712,750,629.50
  5. Step 5: Solve for x
    x = 764,098,712,750,629.50/28,620,266.40
  6. Step 6: Final answer
    x = 26,697,819.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.