Home / 28,620,267.15-39,492,376.16-19,348,006.80

Finding the Fourth Proportional to 28,620,267.15, 39,492,376.16 and 19,348,006.80

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Solution

The fourth proportional to 28,620,267.15, 39,492,376.16 and 19,348,006.80 is: 26,697,820.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,620,267.15 : 39,492,376.16 = 19,348,006.80 : x
  2. Step 2: Convert to fraction form
    28,620,267.15/39,492,376.16 = 19,348,006.80/x
  3. Step 3: Cross multiply
    28,620,267.15x = 39,492,376.16 × 19,348,006.80
  4. Step 4: Simplify right side
    28,620,267.15x = 764,098,762,395,097.88
  5. Step 5: Solve for x
    x = 764,098,762,395,097.88/28,620,267.15
  6. Step 6: Final answer
    x = 26,697,820.76

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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.